*Two approaches to inner estimations of the optimal solution set in interval linear programming (online meeting),*4th International Conference on Intelligent Systems, Metaheuristics & Swarm Intelligence, ISMSI 2020, April 18-19, 2020, Thimphu, Bhutan.

*Interval robustness of matrix properties for the linear complementarity problem,*15th International Symposium on Operations Research in Slovenia, SOR 2019, September 25-27, 2019, Bled, Slovenia.*A survey on the interval matrix properties related to the linear complementarity problem,*8th International Conference on Matrix Analysis and its Applications, MAT-TRIAD 2019, September 8-13, 2019, Liblice, Czech Republic.*Radius of stability of different matrix properties related to optimization problems,*8th International Conference on Matrix Analysis and Applications, ICMAA 2019, July 15-18, 2019, Reno, Nevada, USA.*Maximization of a convex quadratic form on a polytope: Factorization and the Chebyshev norm bounds (with D. Hartman),*6th World Congress on Global Optimization, WCGO 2019, July 8-10, 2019, Metz, France.*Approximation of the solution set of absolute value equations,*17th Workshop on Advances in Continuous Optimization, EUROPT 2019, June 28-29 , 2019, Glasgow, UK.*Several tests for recognizing pseudoconvexity on a restricted domain,*30th European Conference on Operational Research, EURO 2019, June 23-26, 2019, Dublin, Ireland.

*The worst case finite optimal value in interval linear programming,*17th International Conference on Operational Research, KOI 2018, September 26-28, 2018, Zadar, Croatia.*Linear interval parametric approach to testing pseudoconvexity,*XIV Global Optimization Workshop, LeGO 2018, September 18-21, 2018, Leiden, The Netherlands.*Parametric solution methods for parametric systems of equations,*18th International Symposium on Scientific Computing, Computer Arithmetic, and Verified Numerical Computation, SCAN 2018, September 10-15, 2018, Tokyo, Japan.*P-completeness of testing solutions of parametric interval linear systems,*eleventh edition of Constraint Programming and Decision Making Workshop, CoProD 2018, September 10, 2018, Tokyo, Japan.*Numerical verification for systems of linear and nonlinear equations (invited speaker, in Czech),*Programy a algoritmy numerické matematiky 19, PANM 19, June 24-29, 2018, Hejnice.*The role of interval linear algebra in global optimization (invited speaker),*Minisymposium on Trusted Numerical Computations, TNC 2018, June 19, 2018, Krakow, Poland. A part of International Conference on Emerging Trends in Applied Mathematics and Mechanics, ETAMM 2018.*Optimization of quadratic forms and t-norm forms on interval domain and computational complexity (with M. Černý),*7th World Conference of Soft Computing, 7thWConSC'18, May 29-31, 2018, Baku, Azerbaijan.*Robustness of properties of matrices appearing in optimization,*International Conference on Optimization, SIGOPT 2018, March 21-23, 2018, Kloster Irsee, Germany.*Interval robustness in linear programming (invited tutorial, in Czech),*20th winter school of JČMF, ROBUST 2018, January 21-26, Rybník u Hostouně.

*Interval linear programming,*Modelling Smart Grids 2017, Workshop on Modelling, Optimization and Detection, October 26-28, 2017, Prague.*The shape of the optimal value of a fuzzy linear programming problem (with M. Černý),*North American Fuzzy Information Processing Society Annual Conference, NAFIPS 2017, October 16-18, 2017, Cancun, Mexico.*AE regularity of interval matrices,*International Conference on MATRIX Analysis and its Applications, MAT-TRIAD 2017, September 25-29, 2017, Będlewo, Poland.*Tolerances, robustness and parametrization of matrix properties related to optimization problems,*11th International Conference on Parametric Optimization and Related Topics, ParaoptXI, September 19-22, 2017, Prague.*On relation of possibly efficiency and robust counterparts in interval multiobjective linear programming,*International Conference on Optimization and Decision Science, ODS 2017, September 4-7, 2017, Sorrento, Italy.*On identification region of halfspace depth of interval-valued data (with M. Černý and M. Rada),*61st World Statistics Congress, ISI 2017, July 16-21, 2017, Marrakech, Morocco.*A novel data envelopment analysis ranking based on a robust approach,*15th International Conference on Data Envelopment Analysis, DEA 2017, June 26-29, 2017, Prague, Czech Republic.*Generalized regularity and singularity of interval matrices,*6th International Conference on Matrix Analysis and Applications, ICMAA 2017, June 15-18, 2017, Danang, Vietnam.*Recognizing pseudoconvexity of a function on an interval domain,*Olomoucian Days of Applied Mathematics, ODAM 2017, May 31 - June 2, 2017, Olomouc, Czech Republic.*Introduction to interval computation and numerical verification (invited two lectures),*Seminar of numerical analysis and winter school, SNA 2017, January 30 - February 3, 2017, Ostrava, Czech Republic.

*When dependencies do not matter?,*17th International Symposium on Scientific Computing, Computer Arithmetics and Verified Numerics, SCAN 2016, September 26-29, 2016, Uppsala, Sweden.*Testing pseudoconvexity via interval computation,*XIII Global Optimization Workshop, GOW 2016, September 4-8, 2016, Braga, Portugal.*EIV regression with bounded error distributions and generalized linear-fractional programming (with M. Černý),*28th European Conference on Operational Research, EURO 2016, July 3-6, 2016, Poznań, Poland.*On the optimal solution set in interval linear programming,*Applied mathematical programming and Modelling, APMOD 2016, June 8-10, 2016, Brno, Czech Republic.*Interval convex quadratic programming problems in a general form,*International Conference on Applications of Mathematics to Nonlinear Sciences, AMNS 2016, May 26-29, 2016, Kathmandu, Nepal.*EIV regression with uniformly bounded error distributions (with M. Černý),*XXth International Symposium on Mathematical Methods Applied to the Sciences, SIMMAC 2016, February 23-26, 2016, San José, Costa Rica.

*Interval convex quadratic programming problems in a general form,*The 13th International Symposium on Operations Research in Slovenia, SOR 2015, September 23-25, 2015, Bled, Slovenia.*On relation between P-matrices and regularity of interval matrices,*MAT-TRIAD 2015, September 7-11, 2015, Coimbra, Portugal.*What computational complexity theory tells us about (some) statistical problems (with M. Černý),*60th World Statistics Congress, ISI 2015, July 26-31, 2015, Rio de Janeiro, Brazil.*Yet another method for solving interval linear equations,*8th Small Workshop on Interval Methods, SWIM 2015, June 9-11, 2015, Prague, Czech Republic.*Total least squares and Chebyshev norm (with M. Černý),*15th International Conference on Computational Science, ICCS 2015, June 1-3, 2015, Reykjavík, Iceland.*The effect of Hessian evaluations in the global optimization αBB method,*6th International Conference on High Performance Scientific Computing, HPSC 2015, March 16-20, 2015, Hanoi, Vietnam.*Interval linear parametric matrices and global optimization,*5th Czech Workshop on Applied Mathematics in Engineering, AIME@CZ 2015, February 24-25, 2015, Prague.

*Optimal preconditioning for the interval parametric Gauss-Seidel method,*16th GAMM-IMACS International Symposium on Scientific Computing, Computer Arithmetic and Validated Numerics, SCAN 2014, September 21-26, 2014, Würzburg, Germany.*Positive semidefiniteness and positive definiteness of a linear parametric interval matrix,*seventh edition of Constraint Programming and Decision Making Workshop, CoProD 2014, September 20, 2014, Würzburg, Germany.*An extension of the αBB-type underestimation to linear parametric Hessian matrices,*XII Global Optimization Workshop (GOW), MAGO 2014, September 1-4, 2014, Málaga, Spain.*Positive semidefiniteness and positive definiteness of a linear parametric interval matrix,*7th Small Workshop on Interval Methods, SWIM 2014, June 11-12, 2014, Uppsala, Sweden.*Interval Programming (invited lectures, with M. Černý),*workshop at the 7th International Conference of Iranian Operations Research Society, OR 2014, May 12-13, Semnan, Iran.*Intervalová data a výpočet některých statistik ("Interval data and computation of some statistics", with M. Černý, in Czech),*18th summer school of JČMF, ROBUST 2014, January 19-24, Jetřichovice.

*Inverse linear optimization with interval coefficients (with M. Černý),*International Conference on Pure and Applied Mathematics, ICPAM-LAE 2013, November 26-28, 2013, Lae, Papua New Guinea.*Complexity issues for the symmetric interval eigenvalue problem,*5th Conference on Matrix Analysis and its Applications, MAT-TRIAD 2013, September 16-20, 2013, Herceg Novi, Montenegro.*A shaving method for interval linear systems of equations,*10th International Conference on on Parallel Processing and Applied Mathematics, PPAM 2013, September 8-11, 2013, Warsaw, Poland.*Optimization with uncertain, inexact or unstable data: Linear programming and the interval approach (with M. Černý, invited lecture),*10th International Conference on Strategic Management and its Support by Information Systems, SMSIS 2013, August 29-30, 2013, Valašské Meziříčí, Czech Republic.*The Effect of Hessian Evaluations in the Global Optimization αBB Method,*59th workshop Nonlinear Optimization: a Bridge from Theory to Applications, June 10-17, 2013, Erice, Italy.*Polyhedral relaxations for constraint satisfaction problems,*6th Small Workshop on Interval Methods, SWIM 2013, June 5-7, 2013, Brest, France.*On approximation of the best case optimal value in interval linear programming,*2nd International Conference on Operations Research and Optimization, ORO 2013, January 19-22, 2013, Tehran, Iran.

*New directions in interval linear programming,*(invited lecture), 15th GAMM-IMACS International Symposium on Scientific Computing, Computer Arithmetic and Verified Numerical Computations, SCAN 2012, September 23-29, Novosibirsk, Russia.*Interval linear programming techniques in constraint programming and global optimization,*fifth edition of Constraint Programming and Decision Making Workshop, CoProD 2012, September 23, Novosibirsk, Russia.*An interval linear programming contractor,*30th Int. Conf. Mathematical Methods in Economics, MME 2012, September 11-13, Karviná.*Algoritmy, složitost a intervalová data ("Algorithms, complexity and interval data", with M. Černý, invited lecture),*17th summer school of JČMF, ROBUST 2012, September 9-14, Němčičky.*Characterizing and bounding eigenvalues of interval matrices,*SIAM Conference on Applied Linear Algebra, SIAM-LA 2012, June 18-22, Valencia, Spain.*On the tolerance approach to possibilistic nonlinear regression over interval data,*5th International Conference on Reliable Engineering Computing - Practical Applications and Practical Challenges, REC 2012, June 13-15, Brno.

*Error bounds on the spectral radius of uncertain matrices,*9th International Conference of Numerical Analysis and Applied Mathematics, ICNAAM 2011, September 19-25, Halkidiki, Greece.*Interval linear programming: foundations, tools and challenges,*Dagstuhl Seminar Uncertainty modeling and analysis with intervals: Foundations, tools, applications, September 11-16, Germany.*An interval linear programming contractor,*OR Zurich 2011, August 30 - September 2, Zurich, Switzerland.*Bounds on eigenvalues of complex interval matrices,*Small Workshop on Interval Methods SWIM 2011, June 14-15, Bourges, France.

*Enclosures to the solution sets of parametric interval linear systems,*14th GAMM-IMACS International Symposium on Scientific Computing, Computer Arithmetic and Validated Numerics SCAN 2010, September 27-30, Lyon, France.*New approach to interval linear regression,*24th Mini-EURO Conference On Continuous Optimization and Information-Based Technologies in The Financial Sector MEC EurOPT 2010, June 23-26, 2010, Izmir, Turkey.*On necessarily efficient solutions in interval multiobjective linear programming,*25th Mini-EURO Conference "Uncertainty and Robustness in Planning and Decision Making" URPDM 2010, April 15-17, 2010, Coimbra, Portugal.

*Generalized linear fractional programming under interval uncertainty,*23rd European Conference on Operational Research EURO XXIII, July 5-8, 2009, Bonn, Germany.*Support set invariancy for interval bimatrix games,*the 7th EUROPT Workshop "Advances in Continuous Optimization", EurOPT 2009, July 3-4, Remagen, Germany.*Interval valued bimatrix games*, 16-th Int. Conf. Mathematical Methods in Economy and Industry MMEI 2009, June 15-18, České Budějovice.*Bounds on eigenvalues of symmetric interval matrices,*Small Workshop on Interval Methods SWIM 2009, June 10-11, Lausanne, Switzerland.

*Tolerance analysis in linear programming*, Veszprém Optimization Conference: Advanced Algorithms VOCAL 2008, December 15-17, Veszprém, Hungary.*Tolerances in portfolio selection via interval linear programming*, 26-th Int. Conf. Mathematical Methods in Economics MME 2008, September 17-19, Liberec.*Computing the range of real eigenvalues of an interval matrix,*Small Workshop on Interval Methods SWIM 2008, June 19-20, Montpellier, France.*Optimal value bounds in nonlinear programming with interval data,*the 20th international conference EURO Mini Conference: "Continuous Optimization and Knowledge-Based Technologies", EurOPT 2008, May 20-23, Neringa, Lithunia.

*Optimal value range in interval linear programming,*22nd European Conference on Operational Research EURO XXII, July 8-11, 2007, Prague.*Computing the tolerance in multiobjective linear programming,*Joint EUROPT-OMS Meeting 2007: 2nd Conference on Optimization Methods & Software and 6th EUROPT Workshop on Advances in Continuous Optimization, EurOPT-OMS 2007, July 4-7, Prague.

*Separation of convex polyhedral sets with uncertain data*, 24-th Int. Conf. Mathematical Methods in Economics MME 2006, September 13-15, Pilsen.

- FoCM'2014, Foundations of Computational Mathematics, December 11-20, 2014, Montevideo, Uruguay.
- Integer Programming at CORE, May 27-29, 2009, Louvain-la-Neuve, Belgium.