N. Kalouptsidis, "Accessibility and Stability theory of nonlinear systems", Ph.D., Dissertation, Washington University, 1976.

G. Mileounis, and N. Kalouptsidis,

*"A Sparsity Driven Approach to Cumulant Based Identification and order determination,"*Signal Processing (Elsevier), accepted subject to revisions.A. Katsiotis, P. Rizomiliotis, and N. Kalouptsidis,

*"Flexible Convolutional Codes: Variable Rate and Complexity,"*IEEE Transactions on Communications, vol. COM - 60, pp. 608 - 613, March 2012.K. Xenoulis and N. Kalouptsdis,

*"Tight Performance Bounds for Permutation Invariant Binary Linear Block Codes Over Symmetric Channels,"*IEEE Trans. Inf. Theory, vol. 57, no. 9, pp.6015-6024, Sept. 2011N. Kalouptsidis, G. Mileounis, B. Babadi, and V. Tarokh,

*"Adaptive algorithms for sparse system identification", Signal Processing (Elsevier), vol. 91, no. 8, pp. 1910–1919, Aug. 2011.*.K. Xenoulis and N. Kalouptsidis,

*"Achievable rates for nonlinear Volterra channels "*, IEEE Trans. Inf. Theory, vol. 57, pp. 1237–1248, Mar. 2011.A. Katsiotis and N. Kalouptsidis,

*"On (n, n-1) punctured convolutional codes and their trellis modules"*, IEEE Trans. on Communications, vol. 59, pp. 1213 - 1217, May 2011.B. Babadi, N. Kalouptsidis, and V. Tarokh,

*"SPARLS: The Sparse RLS Algorithm"*, IEEE Trans. on Signal Processing, Vol. 58, No. 8, Aug. 2010 .A. Katsiotis, P. Rizomiliotis, and N. Kalouptsidis,

*"New constructions of high performance low complexity convolutional codes"**, IEEE Trans. on Communications, vol. 58, pp. 1950-1961, July 2010.*G. Mileounis, B.Babadi, N. Kalouptsidis, and V. Tarokh,

*"An Adaptive Greedy Algorithm with Application to Nonlinear Communications"**, IEEE Trans. on Signal Processing, vol. 58, No. 6, pp. 2998-3007, Jun. 2010.*G. Mileounis, N. Kalouptsidis, P. Koukoulas,

*"Blind Identification of Hammerstein channels using QAM, PSK and OFDM input using Higher Order Cumulants", "*, IEEE Trans. on Communications, vol. 57, no. 12, pp. 3653-3661, Dec. 2009.N. Kolokotronis , K. Limniotis and N. Kalouptsidis,

*" Best affine and quadratic approximations of particular classes of boolean functions", IEEE Trans. on Information Theory, Vol. 55, No. 11, pp. 5211-5222, Nov. 2009.*T. Etzion, N. Kalouptsidis, N. Kolokotronis, K. Limniotis, and K.G. Paterson,

*" Properties of the error linear complexity spectrum", IEEE Trans. on Information Theory, Vol. 55, No. 10, pp. 4681-4686, Oct. 2009.*G. Mileounis and N. Kalouptsidis,

*"Blind Identification of Second order Volterra Systems with Complex Random Inputs using Higher Order Cumulants"*, IEEE Trans. on Signal Processing, vol. 57, No. 10, pp. 4129-4135, Oct. 2009.K. Xenoulis and N. Kalouptsidis,

*"Improvement of Gallager Upper Bound and its variations for discrete channels"*, IEEE Trans. Inf. Theory, vol. 55, pp. 4204-4210, Sep. 2009.G. Mileounis, P. Koukoulas, N. Kalouptsidis,

*"Input-output identification of nonlinear channels using PSK, QAM and OFDM inputs"*, Signal Process., vol. 89, no. 7, pp. 1359-1369, Jul. 2009.N. Kalouptsidis and V. Psaraki,

*"Approximations of choice probabilities in mixed logit models"*, EUR J OPER RES, 2009.B. Babadi, N. Kalouptsidis and V. Tarokh,

*"Asymptotic Achievability of the Cramer–Rao Bound for Noisy Compressive Sampling"*, IEEE Transactions on Signal Processing, Vol. 57, No. 3, 2009.N. Kolokotronis, K. Limniotis and N. Kalouptsidis,

*"Factorization of determinants over finite fields and applications in stream ciphers"*, CRYPT. AND COM., 2008.K. Limniotis, N. Kolokotronis and N. Kalouptsidis,

*"On the linear complexity of sequences obtained by state-space generators"*, IEEE TRANS INFORM THEORY , Vol. 54, No. 4, pp. 1786-1793, 2008.K. Limniotis, N. Kolokotronis and N. Kalouptsidis,

*"On the nonlinear complexity and Lempel?Ziv complexity of finite length sequences"*, IEEE TRANS INFORM THEORY , Vol. 53, No. 11, pp. 4293-4302, 2007.N. Kalouptsidis, K. Koutroumbas and V. Psaraki,

*"Classification methods for random utility models with i.i.d. disturbances under the most provable alternative rule"*, European Journal of Operational Research, Vol. 176, no. 3, pp 1778-1794, Feb. 2007.D. Kotoulas, P. Koukoulas and N. Kalouptsidis,

*"Subspace Projection Based Blind Channel Order Estimation Of MIMO Systems"*, IEEE Transactions on Signal Processing, Vol. 54, No. 4, pp. 1351-1363, April 2006.N. Kalouptsidis and P. Koukoulas,

*"Blind Identification of Volterra - Hammerstein Systems"*, IEEE Transactions on Signal Processing, pp. 2777-2787, no. 8,vol. 53, August 2005.P. Rizomiliotis, N. Kolokotronis and N. Kalouptsidis,

*"On the quadratic span of binary sequences"*, IEEE Transactions on Information Theory, pp. 1840-1848, no. 5, vol. 51, May 2005.P. Rizomiliotis and N. Kalouptsidis,

*"Results on the nonlinear span of binary sequences"*, IEEE Transactions on Information Theory, pp. 1555-1563, no. 4, vol. 51, Apr. 2005.K. Koutroumbas and N. Kalouptsidis, "Generalized Hamming networks and applications", Neural Networks (18), 896-913, 2005.

N. Kolokotronis, G. Gatt, and N. Kalouptsidis,

*"On the generation of sequences simulating higher order white noise for system identification"*,Signal Processing, pp. 833-852, no. 5, vol. 84, May 2004, Elsevier Science.N. Kolokotronis and N. Kalouptsidis,

*"On the linear complexity of nonlinearly filtered PN-sequences"*, IEEE Transactions on Information Theory, pp. 3047-3059, no.11, vol. 49, Nov. 2003N. Kalouptsidis, P. Koukoulas and V. J. Mathews,

*"Blind Identification of Bilinear Systems"*, IEEE Transactions on Signal Processing, February 2003.P. Koukoulas and N. Kalouptsidis,

*"Blind Identification of Second Order Hammerstein Series"*, Signal Processing vol 83, pp 213-234, 2003.N.Kolokotronis, P.Rizomiliotis and N.Kalouptsidis,

*"Minimum Linear Span Approximation of Binary Sequences"*, IEEE Transactions on Information Theory, Vol. 48, No. 10, pp. 2758-2764, October 2002.George Gatt, Nicholas Kalouptsidis,

*"Identification of discrete-time state affine state space models using cumulants"*, Automatica, Vol. 38, pp. 1663-1681, October 2002.R. Sweet, I. Viehoff, D. Linardatos, and N. Kalouptsidis,

*"Marginal-value based pricing of additional spectrum assigned to cellular telephony operators"*, Information Economics and Policy, Vol. 14, pp. 371-384, September 2002.P. Koukoulas, V. Tsoulkas and N. Kalouptsidis,

*"A Cumulant Based Algorithm for the Identification of Input Output Quadratic Systems"*, Automatica, Vol. 38, pp. 391-407, March 2002.D. Linardatos and N. Kalouptsidis,

*"Synthesis of minimal cost nonlinear feedback shift registers"*, Signal Processing, Vol. 82, pp. 157-176, February 2002.V. Tsoulkas, P. Koukoulas and N. Kalouptsidis,

*"Identification of Input Output Bilinear Systems Using Cumulants"*, IEEE Transactions on Signal Processing, Vol. 49, No. 11, pp. 2753-2761, November 2001.P. Koukoulas and N. Kalouptsidis,

*"Second-Order Volterra System Identification"*, IEEE Transactions on Signal Processing, Vol. 48, No. 12, pp. 3574-3577, December 2000.G. Glentis, P. Koukoulas and N. Kalouptsidis,

*"Efficient Algorithms for Volterra System Identification"*, IEEE Transactions on Signal Processing, Vol. 47, No. 11, pp. 3042-3057, November 1999.E. Kofidis, S. Theodoridis and N. Kalouptsidis,

*"Mirror-image symmetric perfect reconstruction FIR filter banks: Parametrization and design"*, Signal Processing, vol. 68, pp. 1-21, 1998.K. Koutroumbas and N. Kalouptsidis,

*"Neural Network Architectures for Selecting the Maximum Input"*, International Journal of Computer Mathematics, vol. 68, no. 1-2, 1997.M. Papadakis, T. Stavropoulos and N. Kalouptsidis,

*"An equivalence relation between multiresolution analysis of L2(R)"*, Applied Harmonic Analysis, 1996.I. Bouras, G. Glentis and N. Kalouptsidis,

*"Architectures for block Toeplitz systems"*, Signal Processing, vol. 51, pp. 167-190, 1996.I. Bouras, G. Glentis and N. Kalouptsidis,

*"Efficient VLSI structures for block Toeplitz and Toeplitz like systems"*, Signal Processing, vol. 50, 1996.E. Kofidis, S. Theodoridis and N. Kalouptsidis,

*"On the perfect reconstruction problem in N-band multirate maximally decimated FIR filter banks"*, IEEE Trans. on Signal Processing, pp. 2439-2455, Oct. 1996.G. Glentis and N. Kalouptsidis,

*"A highly modular adaptive lattice algorithm for multichannel least squares filtering"*, IEEE Trans. on Signal Processing, vol. 46, no. 1, pp. 47-55, 1995.P. Koukoulas and N. Kalouptsidis,

*"Nonlinear System Identification Using Gaussian Inputs"*, IEEE Trans. on Signal Processing, vol. 43, no. 8, pp. 1831-1841, Aug. 1995.G. Glentis and N. Kalouptsidis,

*"Efficient multichannel FIR filtering using a single channel versatile order recursive algorithm"*, Signal Processing, vol. 37, no 3, pp. 437-462, June 1994.K. Koutroumbas and N. Kalouptsidis,

*"Qualitative analysis of the parallel and asynchronous modes of the Hamming network"*, IEEE Trans. on Neural Networks, vol.5, no.3, May 1994.G. Glentis and N. Kalouptsidis,

*"Solution of block linear systems of Toeplitz equations using a channel decomposition technique"*, Signal Processing, vol 37, no 1, pp. 15-60, May 1994.S. Kotsios and N. Kalouptsidis,

*"BIBO stability of certain nonlinear systems"*, to appear in Int. Journal of Control, vol. 58, no. 3, pp. 707-730, 1993.S. Kotsios and N. Kalouptsidis,

*"The model matching problem for a certain class of nonlinear systems"*, International Journal of Control, vol. 57, no. 4, pp. 881-919, 1993.G. Glentis and N. Kalouptsidis,

*"Efficient algorithms for the solution of block linear systems with Toeplitz entries"*, Linear Algebra and its Applications, 179: pp. 85-104, 1993.G. Glentis and N. Kalouptsidis,

*"Finite-precision analysis of a covariance algorithm for LS FIR filtering and AR modeling"*, IEEE Trans. on Signal Processing, pp. 2990-3002, Oct. 1993.N. Kalouptsidis,

*"Block shift invariance and efficient system identification algorithms"*, North Holland, G. Golub and P. Vanderwalle, eds. 1992.G. Glentis and N. Kalouptsidis,

*"Efficient adaptive algorithms for multichannel LS FIR filtering using a channel decomposition technique"*, Computer and Electrical Engineering, vol. 18, no. 3/4, pp. 315-329, 1992.G. O. Glentis and N. Kalouptsidis,

*"Fast adaptive algorithms for multichannel filtering and system identification"*, IEEE Trans. on Signal Processing, vol. 40, no. 10, pp. 2433-2459, Oct. 1992.G. O. Glentis and N. Kalouptsidis,

*"Efficient order recursive algorithms or multichannel LS filtering"*, IEEE Trans. on Signal Processing, vol. 40, no. 6, pp. 1354-1375, Jun. 1992.S. Karaboyas and N. Kalouptsidis,

*"Efficient adaptive algorithms for ARMA identification"*, IEEE Transactions on Signal Processing, vol. 39, no.3, pp. 1-15, Mar. 1991.J. Tsinias and N. Kalouptsidis,

*"Output feedback stabilization of discrete time control systems"*, IMA, pp. 13-25, Nov. 1990.S. Karaboyas, N. Kalouptsidis and C. Caroubalos,

*"Efficient ARX identification algorithms with full parallelism"*, IEEE Trans. on ASSP, vol. 38, no. 11, pp. 1902-1913, Nov. 1990.J. Tsinias and N. Kalouptsidis,

*"Output feedback stabilization"*, IEEE Trans. Autom. Control, vol. 35, no. 8, pp. 951-954, Aug. 1990.S. Theodoridis, N. Kalouptsidis and D. Bakirtzis,

*"Highly concurrent algorithms for LS FIR filters with linear and affine phase response"*, IEEE Trans. on ASSP, Feb. 1990, pp. 260-271.S. Theodoridis, N. Kalouptsidis and D. Bakirtzis,

*"Pipelined algorithms for LS FIR filters with symmetric impulse response"*, IEEE Trans., vol. ASSP-38, pp. 260-271, Feb. 1990.J. Tsinias, S. Kotsios and N. Kalouptsidis,

*"Topological Dynamics of discrete time systems"*, Math. Theory of Networks and Systems, North Holland, 1989.S. Theodoridis, K. Berberidis and N. Kalouptsidis,

*"A new adaptive covariance symmetric algorithm and a fast initialization scheme for least squares FIR filters with symmetric impulse response"*, Signal Processing, vol. 18, pp. 153-167. 1989.S. Karaboyas, N.Kalouptsidis and C. Caroubalos,

*"Highly parallel transversal batch and block adaptive multichannel LS algorithms and application to decision feedback equalizers"*, IEEE Trans. on ASSP, Sept. 1989, pp. 1380-1396.S. Karaboyas, N. Kalouptsidis and C. Caroubalos,

*"An efficient method for multipath channel equalization"*, Signal Processing 17 (1989), pp. 321-341.N. Kalouptsidis and S. Theodoridis,

*"Concurrent algorithms for a class of 1-D and 2-D Wiener FIR filters with symmetrical impulse response"*, IEEE Trans. on ASSP, Nov. 1989, pp.1780-1783.S. Theodoridis and N. Kalouptsidis, J. Proakis and G. Koyas,

*"Interference rejection in PN spread spectrum systems with LS FIR filters with linear phase"*, IEEE Trans. on Communications, vol. 37, No. 9, pp. 991-994, 1989.N. Kalouptsidis and S. Theodoridis,

*"Efficient structurally symmetric algorithms for least squares FIR filters with linear phase"*, IEEE Trans. on ASSP, vol. 36, no. 9, pp. 1454-1465, Sept. 1988.N. Kalouptsidis and S. Theodoridis,

*"Fast sequential algorithms for LS FIR filters with linear phase"*, IEEE Trans. on CAS, vol. 2, 1988.S. Theodoridis and N. Kalouptsidis,

*"Parallel algorithms for MS error estimation of 2-D non causal image models"*, J. of Microprogramming and Microprocessing, vol. 14, 1987.N. Kalouptsidis and S. Theodoridis,

*"Parallel implementation of efficient LS algorithms for filtering and prediction"*, IEEE Trans. on ASSP, Nov. 1987, pp. 1465-1469.N. Kalouptsidis,

*"Efficient computation of multichannel Wiener filters with linear phase"*, IEEE Trans. on CAS, vol. 35, No. 4, pp. 433-439.N. Kalouptsidis,

*"Efficient tranversal and lattice algorithms for linear phase multichannel filtering"*, Invited paper, IEEE Trans. on CAS, vol. 34, No. 7, July 1987, pp. 804-813.S. Theodoridis and N. Kalouptsidis,

*"A fast algorithm for block LS design of FIR filters with linear phase and optimum lag"*, IEEE Trans. on ASSP, vol. 35, No. 7, July 1987, pp. 1079-1082.N. Kalouptsidis and S. Theodoridis,

*"Fast adaptive least squares algorithms for power spectral estimation"*, IEEE Trans. on ASSP, vol. 35 May 1987, pp. 661-670.J. Tsinias, N. Kalouptsidis and A. Bacciotti,

*"Lyapunov functions and stability of dynamical systems"*, Mathematical System Theory, vol. 19 1987, pp. 333-354.J. Tsinias and N. Kalouptsidis,

*"Prolongations and stability analysis via Lyapunov functions of dynamical polysystems"*, Mathematical System Theory, vol. 20, 1987, pp. 215-233.A. Bacciotti and N. Kalouptsidis,

*"Topological dynamics of control systems: stability and attraction"*, Nonlinear Analysis, Theory, Methods and Applications, vol. 10, No. 6, pp. 547-565.J. Tsinias and N. Kalouptsidis,

*"Controllable cascade connections of nonlinear systems"*, Journal of Nonlinear analysis, Theory, Methods and Applications, vol. 11, No. 10, 1987, pp. 1229-1244.C. Gounaridis-Minaidis and N. Kalouptsidis,

*"Stability of discrete time bilinear systems with constant inputs"*, Inter. Journal of Control, vol. 43, No. 2, 1986, pp. 663-669.G. Carayannis, N. Kalouptsidis and D. Manolakis,

*"A unified view of parametric processing algorithms for prewindowed signals"*, Signal Processing, vol. 10, 1986, pp. 335-368. INVITED PAPER.N. Kalouptsidis and G. Koyas,

*"Efficient block design of FIR least squares filters with linear phase"*, IEEE Trans. on ASSP, Dec.1985 pp. 1435-1445.N. Kalouptsidis, G. Carayannis, D. Manolakis and E.Koukoutsis,

*"Efficient recursive in order least squares FIR filtering and prediction"*, IEEE Trans. on ASSP, vol. 33, October 1985, pp. 1175-1187.D. Manolakis, G. Carayannis and N. Kalouptsidis,

*"Fast design of direct and ladder Wiener filters with linear phase"*, IEEE Trans. on Circuits and Systems, vol. 31, Nov. 1984, pp. 974-978.N. Kalouptsidis, G. Carayannis and D. Manolakis,

*"Fast algorithms for block Toeplitz matrices with Toeplitz entries"*, Signal Processing, Jan. 1984, pp. 77-81.N. Kalouptsidis, D. Manolakis and G. Carayannis,

*"Efficient recursive triangularization, inversion and system solution of near-to-Toeplitz matrices and applications in signal processing"*, Signal Processing, May, 1984, pp. 235-259.N. Kalouptsidis, G. Carayannis and D. Manolakis,

*"A fast covariance type algorithm for sequential least squares estimation"*, IEEE Trans. on AC, Sept. 1984, pp. 752-755.N. Kalouptsidis, G. Carayannis and D. Manolakis,

*"Fast design of multi - channel FIR least squares filters with optimum lag"*, IEEE Trans. on ASSP, Febr. 1984, pp.48-59.N. Kalouptsidis and J. Tsinias,

*"Stability improvement of nonlinear systems by feedback"*, IEEE Trans. on AC, vol. 29, 1984, pp. 364-367.G. Carayannis, D. Manolakis and N. Kalouptsidis,

*"A fast sequential algorithm for least squares filtering and prediction"*, IEEE Trans. on ASSP vol. 31, Dec. 1983, pp. 1394-1402.J. Tsinias and N. Kalouptsidis,

*"Invertibility of analytic single input nonlinear control systems"*, IEEE Trans. on AC vol. 20, Sept. 1983 pp.931-933.D. Manolakis, N. Kalouptsidis and G. Carayannis,

*"Fast algorithms for discrete time Wiener Filters with optimum lag"*, IEEE Trans. on ASSP vol. 21, Febr. 1983, pp. 168-179.N. Kalouptsidis, D. Manolakis and G. Carayannis,

*"A family of computationally efficient algorithms for multichannel signal processing"*, Signal Processing, vol. 5, No. 1, 1983, pp. 1-19.N. Kalouptsidis and M. Manolarakis,

*"Sequences of linear feedback shift registers with nonlinear feed-forward logic"*, Proceedings of IEEE, vol. 16, pp. 174-176, 1983.N. Kalouptsidis,

*"Prolongation and Lyapunov functions in control systems"*, Mathematical System Theory, vol. 16, 1983, pp. 233-249.J. Tsinias and N. Kalouptsidis,

*"Output feedback design and controllable cascade connections of nonlinear systems"*, Systems and Control Letters, vol. 2, No. 4, 1982, pp. 230-236.D. Manolakis, N. Kalouptsidis and G. Carayannis,

*"Efficient determination of FIR Wiener filters with linear phase"*, Electronic Letters, vol. 18, May 1982, pp. 429-431.N. Kalouptsidis, G. Carayannis and D. Manolakis,

*"On block matrices with elements of special structure"*, Proc. IEEE Int. Conf. on ASSP, Paris, 1982.G. Carayannis, N. Kalouptsidis and D. Manolakis,

*"Fast recursive algorithms for a class of linear equations"*, IEEE Trans. on ASSP, vol. 20, April 1982, pp. 227-239.N. Kalouptsidis and D. Elliott,

*"Stability of orbits of control systems"*, Mathematical System Theory, vol. 15, 1982, pp. 323-342.J. Tsinias and N. Kalouptsidis,

*"Transforming a controllable multi-input system to a single input system by feedback"*, Systems and Control Letters, vol.1, No. 3, 1981, pp.173-178.G. Carayannis, N. Kalouptsidis and D. Manolakis,

*"Efficient algorithm for determination of a.r. part of a.r.m.a model"*, Electronic Letters, August 1980, vol.16, pp. 656-657.N. Kalouptsidis and D. Elliott,

*"Accessibility properties of smooth nonlinear control systems"*, in Geometric Control Theory, edited by C. Martin and R. Hermann, 1976,pp. 439-446.

K. Limniotis, N. Kolokotronis, and N. Kalouptsidis,

*"Further constructions of boolean functions with maximum algebraic immunity"*, Cryptography and Communications, submitted.

A. Katsiotis, N. Kalouptsidis, and P. Rizomiliotis,

*"Recursive Flexible Convolutional Encoders for Parallel Concatenation"*, 7th International Symposium on Turbo Codes and Iterative Information Processing (ISTC), Gothenburg, Sweden, August 2012.K. Xenoulis, N. Kalouptsidis and I. Sason,

*"New achievable rates for nonlinear Volterra Channels via Martingale Inequalities"*, IEEE ISIT 2012, Boston, USA.G. Mileounis, and N. Kalouptsidis,

*"A Sparsity Driven Approach to Cumulant Based Identification"*, in Proc. IEEE SPAWC 2012, Turkey.K. Limniotis, N. Kolokotronis, and N. Kalouptsidis,

*"Constructing boolean functions in odd number of variables with maximum algebraic immunity"*, in proc. of IEEE International Symposium on Information Theory, pp. 2662–2666, 2011.N. Kalouptsidis and N. Kolokotronis,

*"Fast decoding of regular LDPC codes using greedy approximation algorithms"*, in proc. of IEEE International Symposium on Information Theory, pp. 2011–2015, 2011.G. Mileounis, N. Kalouptsidis, B. Babadi, and V. Tarokh,

*"Blind Identification of Sparse Channels and Symbol Detection via the EM Algorithm"*, in Proc. IEEE DSP 11, Special Session on Sparsity-aware Signal Processing.G. Mileounis, B. Babadi, N. Kalouptsidis, and V. Tarokh,

*"An adaptive greedy algorithm with application to sparse NARMA identification"*, in Proc. IEEE ICASSP Conference, Mar. 2010.N. Kalouptsidis, G. Mileounis, B. Babadi, and V. Tarokh,

*"Adaptive algorithms for sparse nonlinear channel estimation"*, in Proc. IEEE SSP Workshop, pp. 221-224, Sept. 2009.K. Xenoulis and N. Kalouptsidis,

*"On the random coding exponent of nonlinear Gaussian channels"*, in IEEE Proc. ITW workshop, June 2009.A. Katsiotis, P. Rizomiliotis, and N. Kalouptsidis,

*"New constructions of low complexity convolutional codes"*, in IEEE Proc. ICC, June 2009.B. Babadi, N. Kalouptsidis, and V. Tarokh,

*"Comparison of the spaRLS and RLS algorithms for adaptive filtering"*, in IEEE Proc. Sarnoff Symposium, 2009.T. Etzion, N. Kalouptsidis, N. Kolokotronis, K. Limniotis, and K.G. Paterson,

*"On the error linear complexity profiles of binary syquences of period 2^n"*, IEEE International Symposium on Information Theory (ISIT), July 2008.G. Mileounis, N. Kalouptsidis and P. Koukoulas,

*"Blind identification of Hammerstein channels with QAM, PSK and OFDM inputs"*, in IEEE Proc. SAM Workshop, pp. 160-164, Jul. 2008.G. Mileounis, P. Koukoulas and N. Kalouptsidis,

*"Input-Output identification of nonlinear channels using PSK, QAM and OFDM inputs"*, in IEEE Proc. ICASSP Conf., pp. 3589-3592, Apr. 2008.D. Kotoulas, P. Koukoulas, and N. Kalouptsidis,

*"Subspace based blind identification and equalization of linear FIR MIMO systems and FIR SIMO Volterra systems"*, in EUSIPCO, 2007.N. Kolokotronis, K. Limniotis, and N. Kalouptsidis,

*"Best affine approximations of Boolean functions and applications to low order approximations"*, IEEE International Symposium on Information Theory (ISIT), June 2007.N. Kolokotronis, K. Limniotis and N. Kalouptsidis,

*"Efficient Computation of the Best Quadratic Approximations of Cubic Boolean Functions"*, in IMA, 2007.N. Kolokotronis, K. Limniotis and N. Kalouptsidis,

*"Improved Bounds on the Linear Complexity of keystreams Obtained by Filter Generators"*, in Inscrypt, 2007.N. Kolokotronis, K. Limniotis and N. Kalouptsidis,

*"Lower Bounds on Sequence Complexity via Generalized Vandermonde Determinants"*, in Sequences and Their Applications (SETA), Berlin, Germany: Springer-Verlag, vol. 4086, pp. 271-284, Sept. 2006.K. Limniotis, N. Kolokotronis and N. Kalouptsidis,

*"Nonlinear Complexity of Binary Sequences and Connections with Lempel-Ziv Compression"*, in Sequences and Their Applications (SETA), Berlin, Germany: Springer-Verlag, vol. 4086, pp. 168-179, Sept. 2006.N. Kalouptsidis and V. Psaraki,

*"Approximations of Choice Probabilities in Generalized Random Utility Models"*, 11th International Conference on Travel Behaviour Research, Kyoto, Aug. 2006.K. Limniotis, N. Kolokotronis and N. Kalouptsidis,

*"New Results on the Linear Complexity of Binary Sequences"*, IEEE International Symposium on Information Theory (ISIT), pp. 2003-2007, July 2006.K. Kontosis, P. Angelikopoulos, P. Koukoulas, N. Kalouptsidis and I. Emiris,

*"Symbolic Computations in Volterra System Identification"*, ICASSP 2006, Toulouse, France, 14-19 May 2006.N. Kalouptsidis and K. Limniotis,

*"Nonlinear Span, Minimal Realizations of Sequences Over Finite Fields and De Brujin Generators"*, International Symposium on Information Theory and its Applications, pp. 794-799, Oct. 2004P. Rizomiliotis, and N. Kalouptsidis,

*"Result on the nonlinear span of binary sequences"*, in proceedings of 2004 IEEE International Symposium on Information Theory, pp.124, Jun. 2004.N. Kalouptsidis and P. Koukoulas,

*"Blind Identification of Volterra - Hammerstein Systems"*, IEEE Workshop on Statistical Signal Processing SSP'03, St. Louis, Missouri, USA, 28 September - 1 October 2003.D. Kotoulas, P. Koukoulas and N. Kalouptsidis,

*"Eigenstructure Based Blind Channel Order Determination and Kernel Estimation for MIMO Systems"*, IEEE Workshop on Statistical Signal Processing SSP'03, St. Louis, Missouri, USA, 28 September - 1 October 2003.N. Kalouptsidis and V. Psaraki,

*"Selection Distributions and Deterministic Reduction of Generalized Random Utility Models"*, International Conference on Travel Behaviour Research, Lucerne, 2003.P. Rizomiliotis, N. Kolokotronis and N. Kalouptsidis,

*"On the quadratic span of binary sequences"*, IEEE International Symposium on Information Theory, Jun. 29- Jul. 4, 2003, Yokohoma, JapanN. Kalouptsidis and P. Koukoulas,

*"A Blind Identification Algorithm for a Class of Polynomial Systems"*, IEEE - EURASIP Workshop on Nonlinear Signal and Image Processing NSIP-03, Grado, Italy, 8-11 June 2003.D. Linardatos, N. Kalouptsidis,

*"Synthesis of minimal cost nonlinear feedback shift registers"*, EUSIPCO 2002, Toulouse, France, 3-6 September 2002.N. Kolokotronis, G. Gatt, N. Kalouptsidis,

*"On the generation of sequences simulating higher order white noise for system identification"*, EUSIPCO 2002, Toulouse, France, 3-6 September 2002.P.Rizomiliotis, N.Kolokotronis and N.Kalouptsidis,

*"Construction of Sequences with four-valued Autocorrelation from GMW Sequences"*, ISIT 2002, Lausanne, Switzerland.N.Kolokotronis, P.Rizomiliotis and N.Kalouptsidis,

*"First-Order Optimal Approximation of Binary Sequences"*, in Proc. of SETA 2001, Bergen, Norway.N. Kalouptsidis, P. Koukoulas and V. J. Mathews,

*"Blind Identification of Bilinear Systems"*, ICASSP 2001, Vol. VI, pp. 3501-3504, Salt Lake City, Utah, USA, 7-11 May 2001.P. Koukoulas, V. Tsoulkas and N. Kalouptsidis,

*"A Cumulant Based Algorithm for the Identification of Input Output Quadratic Systems"*, EUSIPCO - 2000, pp. 1265-1268, Tampere, Finland, 4-8 September 2000.P. Koukoulas and N. Kalouptsidis,

*"Blind Identification of Second Order Hammerstein Series"*, EUSIPCO - 2000, pp.2485-2488, Tampere, Finland, 4-8 September 2000.P. Koukoulas, V. Tsoulkas, G. Gatt and N. Kalouptsidis,

*"Identification of Discrete - Time Volterra Series Using Higher Order Statistics"*, Preprints of the first Nonlinear Control Network (NCN) Pedagogical School, pp. 149-201, Athens, Greece, 6-10 September 1999.V. Tsoulkas, P. Koukoulas and N. Kalouptsidis,

*"Identification of Input Output Bilinear Systems Using Cumulants"*, 6th IEEE International Conference on Electronics, Circuits and Systems, ICECS'99, pp. 1105-1108, Pafos, Cyprus, 5-8 September 1999.K. Koutroumbas, A. Pouliakis and N. Kalouptsidis,

*"Divide and Conquer Algorithms for Constructing Neural Networks Architectures"*, to appear in the Proc. of the International Conference of Signal Processing, Spain, 1998.P. Koukoulas and N. Kalouptsidis,

*"Third Order Volterra System Identification"*, ICASSP '97, Munich, Germany, 1997.E. Kofidis, S. Theodoridis and N. Kalouptsidis,

*"Designing FIR perfect reconstruction systems given several of the analysis and synthesis filters"*, 13th Int. Conference on Digital Signal Processing, Santorini, 1997.D. Linardatos, S. Gatzonis, N. Kalouptsidis, V. Mantouvalos, A. Siafakas, C .Papageorgiou,

*"Calculation of the spectrum of Lyapunov exponents in EEG"*, Epilepsia, vol.37, supplement 4, pp. 154, 1996, presented in the 2nd European Conference of Epileptology, the Hague, the Netherlands, September 1996.P. Koukoulas and N. Kalouptsidis,

*"Second Order Volterra System Identification"*, 8th IEEE on Signal Processing Workshop (SSAP'96), Corfu, Greece, pp. 383-386, 1996.E. Kofidis, S. Theododiris and N. Kalouptsidis,

*"Perfect reconstruction FIR filter banks with mirror-image symmetry"*, IEEE Conf. on Elect. Circuits and Systems, Rhodes, Greece, Oct. 1996.E. Kofidis, S. Theodoridis and N. Kalouptsidis,

*"On perfect reconstruction FIR filter banks"*, EUSIPCO-96, Trieste, Sep. 1996.P. Koukoulas and N. Kalouptsidis,

*"On Blind Identification of Quadratic Systems"*, EUSIPCO '96, Trieste, Italy, pp. 1929-1932, 1996.K. Koutroumbas and N. Kalouptsidis,

*"Generalized Hamming Networks"*, Proc. of the European Control Conference, Rome, Italy, 1995.K. Koutroumbas and N. Kalouptsidis,

*"Realization of Polyhedral Decision Regions by Neural Networks"*, Proc. of Nonlinear Systems Conference, Chalkidiki, Greece, 1995.K. Koutroumbas and N. Kalouptsidis,

*"Nearest Neighbor Pattern Classification Neural Networks"*, Proc. of IEEE World Congress of Computational Intelligence, Jul. 1994.P. Koukoulas, J. Malliaros and N. Kalouptsidis,

*"Efficient Algorithms for Parametric Volterra System Identification Using Cross-Cumulants"*, ATHOS Workshop, Sep. 1994, Edinbourgh.N. Kalouptsidis, G. Glentis and P. Koukoulas,

*"Efficient Algorithms for Parametric Volterra System Identification"*, EUSIPCO'94, Sep. 1994, Edinbourgh, pp. 212-215.G. Glentis and N. Kalouptsidis,

*"Efficient Algorithms for Instrumental Variable System Identification"*, EUSIPCO'94, September 1994, Edinbourgh, pp. 1831-1834.G. Glentis and N. Kalouptsidis,

*"Efficient Multichannel FIR Filtering using a Step Vtile Order Recursive Algorithm"*, 10th IFAC Symposium on System Identification, SYSID'94, Jul. 94, Copenhagen.P. Koukoulas and N. Kalouptsidis,

*"Mean Square Nonlinear System Identification with Gaussian Inputs"*, 10th IFAC Symposium on System Identification, SYSID'94, Jul. 1994, Copenhagen.K. Koutroumbas and N. Kalouptsidis,

*"A New Associative Memory Architecture"*, Proc.of the Meditteranian Conf. on Control, Crete 1993.P. Koukoulas and N. Kalouptsidis,

*"Nonlinear System Identification Using IID and/or Gaussian Inputs"*, ATHOS Workshop, pp. 115-122, Sophia Antipolis, France, Sep. 1993.P. Koukoulas and N. Kalouptsidis,

*"Volterra System Identification Using Higher Order Statistics"*, ATHOS Workshop, pp. 11-15, London, U.K, May 1993.K. Koutroumbas and N. Kalouptsidis,

*"Convergence Analysis of the Hamming Network"*, Proc. of Signal Processing VI, 1992.G. Glentis and N. Kalouptsidis,

*"Efficient algorithms for second order polynomial system identification"*, EUSIPCO Conf., Brussels, 1992.I. Bouras, G. Glentis and N. Kalouptsidis,

*"Efficient implementation of block toeplitz solvers in VLSI array processors"*, IMAS/PDCOM Corfu, Greece, 1991.G. Glentis and N. Kalouptsidis,

*"Finite-precision analysis of a covariance algorithm for LS FIR filtering and AR modeling"*, presented in IFAC/IFORS 1991.G. Glentis and N. Kalouptsidis,

*"Efficient adaptive LS algorithms for multichannel Two-Dimensional Filtering and System Identification"*, presented in ICASSP-91, Torondo, Canada.G. Glentis and N. Kalouptsidis,

*"Fast adaptive algorithms for multichannel linear phase LS filtering"*, Signal Processing V: Theory and Applications, 1990.G. Glentis and N. Kalouptsidis,

*"Efficient order recursive algorithms for multichannel LS filtering"*, presented in IEEE International Conference ASSP-90, Albuquerque, New Mexico, USA.G. Glentis and N. Kalouptsidis,

*"Fast adaptive algorithms for multichannel filtering and system identification"*, presented in IEEE International Conference CAS-90, New Orleans, USA.S. Theodoridis and N. Kalouptsidis,

*"Highly parallel block algorithms for LS FIR filtering"*, Proc. IEEE Int. Symp. on Circuits and Systems, Helsinki, 1988.S. Theodoridis, C. Berberidis and N. Kalouptsidis,

*"Adaptive covariance type internally symmetric algorithms for LS FIR filters with linear phase"*, Proc. IEEE Int. Symp. on Circuits and Systems, Helsinki, 1988.S. Theodoridis, D. Bakirtzis and N. Kalouptsidis,

*"Parallel algorithms for the solution of near-to-Toeplitz systems"*, Proc. Int. Conf., EUSIPCO, Grenoble, 1988.S. Karaboyas, N. Kalouptsidis and C. Caroubalos,

*"New concurrent transversal batch and adaptive algorithms for multichannel filters"*, Proc. IEEE Int. Symp. on Circuits and Systems, Helsinki, 1988.S. Theodoridis and N. Kalouptsidis,

*"Highly parallel algorithms for LS FIR smoothing and MEM spectral analysis"*, Proc. IEEE Int. Conf. on ASSP, New York, 1988.S. Theodoridis, N. Kalouptsidis and J. Proakis,

*"LS FIR smoothers and application to interference rejection in PN spread spectrum systems"*, Proc., IEEE Conf. on ASSP, Dallas, 1987.A. Bacciotti, N. Kalouptsidis and J. Tsinias,

*"Topological dynamics of control systems"*, Theory and Applications of nonlinear control systems, C. I. Byrnes and A. Lindquist eds., North Holland, 1986.J. Tsinias, N. Kalouptsidis and A. Bacciotti,

*"Higher prolongations and stability properties of nonlinear systems"*, Proc. of 25th Int. IEEE Conf. on Decision and Control, Athens, 1986.N. Kalouptsidis,

*"Stability and attraction of systems"*, Proc. Int.Conf. on Inform. Sci., J. Hopkins, 1985.N. Kalouptsidis and G. Koyas,

*"Fast algorithms for linear phase filters"*, Proc. Int. Conf. on Inform. Sci., J. Hopkins, 1985.G. Carayannis, D. Manolakis and N. Kalouptsidis,

*"Efficient algorithms and structures for lagged least squares FIR filters in the case of prewindowed signals"*, Proc. IEEE Int. Conf. on ASSP, San Diego, 1984.D. Manolakis, G. Carayannis and N. Kalouptsidis,

*"On the computational organization of fast sequential algorithms"*, Proc. IEEE Int. Conf. on ASSP, San Diego, 1984.D. Manolakis, G. Carayannis and N. Kalouptsidis,

*"Fast algorithms for direct and ladder Wiener filters with linear phase"*, Proc. 18th Conf. on Inf. Sciences and Systems, Princeton, 1984.D. Manolakis, G. Carayannis, N. Kalouptsidis and C. Halkias,

*"Fast design of waveshaping filters for seismic signal deconvolution"*, Proc. Neuvieme Colloque sur le traitment du signal et ses applications, Nice, 1983.G. Carayannis, N. Kalouptsidis and D. Manolakis,

*"New efficient order recursive algorithms for prewindowed signals"*, Proc. Int. Symp. on MECO, Athens, 1983.D. Manolakis, G. Carayannis and N. Kalouptsidis,

*"A ladder Wiener filter with linear phase"*, Proc. HELTECON, Athens, 1983.D. Manolakis, G. Carayannis and N. Kalouptsidis,

*"Fast sequential algorithms for the instrumental variables method"*, Signal Processing II: Theories and Applications, North Holland, 1983.J. Tsinias and N. Kalouptsidis,

*"Singularity of nonlinear control systems"*, Proc. Int. Mediter. Electrotechnical Conf. Athens, 1983.N. Kalouptsidis, D. Manolakis and G. Carayannis,

*"Fast FIR least squares filtering"*, Proc. Int. Mediterranean Electrotechnical Conf., Athens, 1983.N. Kalouptsidis, D. Manolakis and G. Carayannis,

*"Efficient triangularization inversion and system solution of near-to-Toeplitz matrices"*, Proc. IEEE Int. Symp. on Circuits and Systems, California, 1983.G. Carayannis, D. Manolakis and N. Kalouptsidis,

*"Fast Kalman type algorithms for sequential signal processing"*, Proc. IEEE Int. Conf. on ASSP, Boston,1983.N. Kalouptsidis, G. Carayannis and D. Manolakis,

*"Systems of equations with near-to-Toeplitz or near-to-Hankel parameters and applications to signal processing"*, Proc. IEEE Int. Conf. on ASSP, Boston, 1983.J. Tsinias and N. Kalouptsidis,

*"Stabilizability of nonlinear control systems"*, Proc. 21st IEEE Int. Conf. on Decision and Control, Orlando, 1982.J. Tsinias and N. Kalouptsidis,

*"Output controllability of nonlinear systems"*, Proc. Int. Conf. on Measurement and Control, Tunis, 1982.D. Manolakis, N. Kalouptsidis and G. Carayannis,

*"Fast algorithms for optimum lag multichannel Wiener filters"*, Proc. IEEE Int. Symp. on Circuits and Systems, Rome, 1982.N. Kalouptsidis, D. Manolakis and G. Carayannis,

*"Fast algorithms for block Toeplitz systems"*, Prc. 6th IFAC Symp. on Identification and System Parameter estimation, Washington, 1982.N. Kalouptsidis,

*"On equivalence and stability of nonlinear systems"*, Proc., Workshop on feedback and synthesis of linear and nonlinear systems, Rome, 1981.N. Kalouptsidis, C. Caroubalos and D. Manolakis,

*"Efficient transmission of a set of signals over fewer channels by linear transformation and time shifting"*, Proc. 18th Allerton Conf., Allerton, 1980.D. Manolakis, G. Carayannis and N. Kalouptsidis,

*"Fast inversion vector generated matrices for signal processing"*, Signal Processing I: Theories and Applications, North Holland, Eurasip, 1980.N. Kalouptsidis, G. Carayannis and D. Manolakis,

*"Two alternative schemes for the solution of the autocorrelation equations in the A.R.M.A case"*, Proc. 14th Conf. on Information Sciences and Systems, Princeton, 1980.G. Carayannis, N. Kalouptsidis and D. Manolakis,

*"Classes of matrices leading to fast algorithms for signal processing"*, Proc. Of the 14th Conf. of Information Sciences and Systems, Princeton, 1980.N. Kalouptsidis,

*"Prolongation structure and stability of certain bilinear systems"*, Proc., Int. Conf. on Information Sciences and Systems, Patras, 1979.N. Kalouptsidis,

*"Topological dynamics and stability of control systems"*, Proc. Int. Symp. on Mathematical theory of Networks and Systems, MTNS, 1979, Delft.N. Kalouptsidis,

*"Stability theory of nonlinear control systems"*, Proc. Int. Symp. in Measurement and Control MECO, Athens, 1978.