Publications (reverse chronological order)

Books, Theses, Chapters, and Talks 

Algebraic Algorithms

  • Single-lifting Macaulay-type formulae of generalized unmixed sparse resultants, with C. Konaxis, JSC 2011 (IHES Preprint 2010)
  • Multihomogeneous resultant formulae for systems with scaled support, with A. Mantzaflaris, (ISSAC 2009).
  • Computing the Newton polytope of implicit curves, with C. Konaxis and L. Palios, "Math for Comp. Science" (Birkhauser), 2010. Also MEGA conf. 2007 (pdf). Talks at IMA and Oberwolfach (2007).
  • Implicitization exploiting Sparseness, with I.Kotsireas: Dimacs'04 (ps.gz, pdf). Implicit Polynomial Support Optimized for Sparseness, with Kotsireas: CGGM'03 (ps.gz, pdf).
  • Multihomogeneous resultant formulae by means of complexes. JSC 2003. Preliminary: Multihomogeneous resultant matrices, with A. Dickenstein ISSAC'02 (Best paper award).
  • Hybrid sparse resultant matrices for bivariate systems, with D'Andrea (JSC'02).
  • An inversion-based implicitization method, with R. Sendra, 2002 (Tech.Report).
  • Computing sparse projection operators, with D'Andrea (Contemp.Math'01). Geometric viewpoint: Sparse Resultant Perturbations (ps.gz).
  • Matrices in elimination theory, with B. Mourrain, JSC'99 (ps.gz, pdf).
  • MARS: A Maple/Matlab/C Resultant-Based Solver, with Wallack and Manocha. (ISSAC'98).
  • On the Complexity of Sparse Elimination (J.Complexity)
  • Monomial Bases and Solution of Polynomial Systems, with A. Rege (ACM ISSAC)
  • Efficient Incremental Algorithms for the Sparse Resultant and the Mixed Volume, with J. Canny, JSC'95 (ps.gz, pdf). Prelim. conference version: Practical Method for the Sparse Resultant, with J. Canny, ACM ISSAC'93 (ps.gz, pdf).
  • A Subdivision-Based Algorithm for the Sparse Resultant, with J.F. Canny, Journal of ACM 2000 (jacm, ps.gz, pdf). Initial AAECC conference version: An Efficient Algorithm for the Sparse Mixed Resultant, with J. Canny (ps.gz, pdf).
  • Algebraic numbers and Arithmetic

  • Random polynomials and expected complexity of bisection methods for real solving, with A. Galligo and E.P. Tsigaridas. ISSAC 2010 (arxiv).
  • The DMM bound: multivariate (aggregate) separation bounds, with B. Mourrain and E.P. Tsigaridas. ISSAC 2010, Best paper award. (arxiv).
  • On the asymptotic and practical complexity of solving bivariate systems over the reals, with D. Diochnos and E. Tsigaridas. JSC 2009, special Issue. Preliminary: On the complexity of real solving bivariate systems, with D. Diochnos and E. Tsigaridas. ISSAC 2007. (pdf).
  • On the complexity of real root isolation using continued fractions, with E. Tsigaridas (TCS 2008), (preliminary ESA'06).
  • Real Algebraic Numbers: Complexity Analysis and Experimentations, with B. Mourrain and E. Tsigaridas (pdf) (pdf). In "Reliable Implementation of Real Number Algorithms: Theory and Practice", LNCS, 2006. Related: Computations with one and two real algebraic numbers, with E.P. Tsigaridas (arxiv).
  • Real algebraic numbers and polynomial systems of small degree, with E. Tsigaridas (TCS 2008). Real Solving of Bivariate Polynomial Systems, with E. Tsigaridas, CASC'05, LNCS (pdf). Computing with real algebraic numbers of small degree, with E. Tsigaridas, ESA'04 (pdf, ps.gz).
  • Root comparison techniques applied to the planar additively weighted Voronoi Diagram, with Karavelas (Siam/Acm SODA'03).
  • Algebraic methods for geometric predicates (talks in: Giens, France, 9/03, Athens, 11/03).
  • Sign determination in Residue Number Systems with H. Bronnimann, V. Pan and S. Pion. (TheorCS). Conf. version: Computing Exact Geometric Predicates Using Modular Arithmetic with Single Precision (ACM SCoG).
  • Modular Arithmetic for Linear Algebra Computations in the Real Field, with V.Y. Pan and Y. Yu, JSC (ps.gz, pdf).
  • Towards an Efficient Implementation of Interval Arithmetic, with R. Fateman. TR 693, UC Berkeley'92 (html).
  • Computational Geometry and Geometric Modeling

  • Exact Delaunay graph of smooth convex pseudo-circles: general predicates, and implementation for ellipses, with E.P. Tsigaridas and G.M. Tzoumas: Symposium on Solid and Physical Modeling 2009 (pdf).
  • Exact and efficient evaluation of the InCircle predicate for parametric ellipses and smooth convex objects, with G. Tzoumas. Computer-Aided Design 2008. Preliminary: A Real-time and Exact Implementation of the Predicates for the Voronoi Diagram of Parametric Ellipses, with G. Tzoumas. In Proc. ACM Symp. Solid Physical Modeling (Beijing, 2007).
  • The Predicates for the Exact Voronoi Diagram of Ellipses under the Euclidiean Metric, with E. Tsigaridas, G. Tzoumas, Int. J. Comput. Geometry Appl., Special Issue, 2008 (pdf). Preliminary: The predicates for the Voronoi diagram of ellipses, with E. Tsigaridas, G. Tzoumas. (Proc. ACM Symp. Comput. Geom. 2006), (PDF).
  • Minkowski decomposition of convex lattice polygons, with E. Tsigaridas. In "Algebraic geometry and geometric modeling", Springer 2005 (pdf).
  • The predicates of the Apollonius diagram: algorithmic analysis and implementation, with M. Karavelas (CGTA) (Elsevier.web).
  • Successive Linear Programs for Computing All Integral Points in a Minkowski Sum, with K. Zervoudakis. PCI'05 (pdf)
  • Towards an open curved kernel, with Kakargias, Pion, Teillaud, Tsigaridas: ACM SoCG'04 (ps.gz, pdf).
  • Computing integer points in Minkowski sums (ACM SoCG'00), (CGTA).
  • A Comparative Application of Convex Hull Algorithms in 2 and 3 Dimensions, with K. Zervoudakis (EuroCG'01).
  • How to count efficiently all affine roots of a polynomial system, with J. Verschelde (Disc.Appl.Math'99) (web).
  •  Distributed computation of mixed volume (euroCG'97) with T. Giordano. Calcul distribué du volume mixte (rapport.ps.gz) with Giordano.
  • A Complete Implementation for Computing General Dimension Convex Hulls (IJCGA.dvi.gz)(ps.gz, 210KB).
  • Efficient Perturbations for Handling Geometric Degeneracies, with J.F. Canny and R. Seidel, Algorithmica (ps.gz, pdf). ACM SCoG Conf. version with J. Canny (ps.gz, pdf).
  • A General Approach to Removing Degeneracies, with J.F. Canny (SIAM J. of Computing) (prelim.version FOCS'91)
  • Structural Biology, Robotics and Sensor Nets

  • The assembly modes of rigid 11-bar linkages, with Guillaume Moroz. IFToMM 2011 (pdf).
  • Algebraic Methods for Counting Euclidean Embeddings of Rigid Graphs, with E.P. Tsigaridas and A.E. Varvitsiotis (Graph Drawing'09), Counting the Number of Embeddings of Minimally Rigid Graphs, with A.Varvitsiotis, (Prelim. version at EuroCG'09).
  • A Workflow for Protein Homology Inference using Sequential and Structural Comparison, with A. Sharma and E.S. Manolakos, Hellenic Proteomics Society'09.
  • A Parallel Robot for Ankle Rehabilitation-Evaluation and its Design Specifications, with C. Syrseloudis, IEEE BioInformatics & BioEngineering, Greece'08.
  • Design Framework for a Simple Robotic Ankle Evaluation and Rehabilitation Device, with C. Syrseloudis, K. Maganaris and T. Lilas, IEEE Engineering in Medicine & Biology'08.
  • Algebraic methods for Protein structure prediction from RDC data, with S. Pantos. In: Intern. Workshop on Algebraic Biology 2007, Austria, LNCS 4545.
  • Beta-barrel Transmembrane Proteins: Geometric Modelling, Detection of Transmembrane Region, and Structural Properties, with I. Valavanis and P. Bagos. Computational Biology and Chemistry, 2006. (article)
  • Distributed routing in tree networks with few landmarks, with E. Markou and A. Pagourtzis, In: Proc. Workshop Combinat. & Algorithmic Aspects of Networking (CAAN), 2006, LNCS (pdf).
  • Calibration of Parallel Robots: on the Elimination of pose-dependent parameters, with D. Daney, Y. Papegay, E. Tsigaridas, J-P. Merlet. 2006, Proc. Europ. Conf. on Mechanism Science. PDF
  • Algebraic algorithms for determining structure in biological chemistry, with E. Fritzilas and D. Manocha: Intern. J. Quantum Chemistry, Spec. Issue on Symbolic Methods, 2005 (pdf).
  • Algebraic Elimination for Parallel Robot Calibration, with D.Daney (Iftomm'04). Robust parallel robot calibration with partial information, with Daney (ICRA'01).
  • Molecular Conformation Search by Distance Matrix Perturbations, with T.G. Nikitopoulos: J.Math.Chem 2005 (ps.gz, pdf) (web).
  • Computer Algebra methods for studying and computing molecular conformations, with B. Mourrain (Algorithmica).
  • A General Solver Based on Sparse Resultants: Numerical Issues and Kinematic Applications (html).
  • Force Closure Grasps of High Quality (postscript).

  • Ioannis Z Emiris