Cordian Riener

31 papers B 3Journal 28

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	#P-Hardness proofs of matrix immanants evaluated on restricted matrices. Theor. Comput. Sci. István Miklós, Cordian Riener
2026	J	`jnl`	Constructively describing orbit spaces of finite groups by few inequalities. J. Symb. Comput. Philippe Moustrou, Cordian Riener, Robin Schabert
2026	J	`jnl`	Slices of stable polynomials and connections to the Grace-Walsh-Szegő theorem. J. Symb. Comput. Sebastian Debus, Cordian Riener, Robin Schabert
2025	J	`jnl`	Deciding Connectivity in Symmetric Semi-Algebraic Sets. CoRR Cordian Riener, Robin Schabert, Thi Xuan Vu
2025	J	`jnl`	On nonnegative invariant quartics in type A. J. Symb. Comput. Sebastian Debus, Charu Goel, Salma Kuhlmann, Cordian Riener
2025	J	`jnl`	Optimization of trigonometric polynomials with crystallographic symmetry and spectral bounds for set avoiding graphs. Math. Program. Evelyne Hubert, Tobias Metzlaff, Philippe Moustrou, Cordian Riener
2025	J	`jnl`	Quadrature rules with few nodes supported on algebraic curves. CoRR Cordian Riener, Ettore Teixeira Turatti
2025	J	`jnl`	Symmetric SAGE and SONC forms, exactness and quantitative gaps. J. Symb. Comput. Philippe Moustrou, Cordian Riener, Thorsten Theobald, Hugues Verdure
2024	B	`conf`	Connectivity in Symmetric Semi-Algebraic Sets. ISSAC Cordian Riener, Robin Schabert, Thi Xuan Vu
2024	J	`jnl`	Connectivity in Symmetric Semi-Algebraic Sets. CoRR Cordian Riener, Robin Schabert, Thi Xuan Vu
2024	J	`jnl`	Orbit Spaces of Weyl Groups Acting on Compact Tori: A Unified and Explicit Polynomial Description. SIAM J. Appl. Algebra Geom. Evelyne Hubert, Tobias Metzlaff, Cordian Riener
2023	B	`conf`	Faster real root decision algorithm for symmetric polynomials. ISSAC George Labahn, Cordian Riener, Mohab Safey El Din, Éric Schost, Thi Xuan Vu
2023	J	`jnl`	Faster real root decision algorithm for symmetric polynomials. CoRR George Labahn, Cordian Riener, Mohab Safey El Din, Éric Schost, Thi Xuan Vu
2023	J	`jnl`	Reflection groups and cones of sums of squares. J. Symb. Comput. Sebastian Debus, Cordian Riener
2022	J	`jnl`	Linear slices of hyperbolic polynomials and positivity of symmetric polynomial functions. CoRR Cordian Riener, Robin Schabert
2022	J	`jnl`	Symmetry Reduction in AM/GM-Based Optimization. SIAM J. Optim. Philippe Moustrou, Helen Naumann, Cordian Riener, Thorsten Theobald, Hugues Verdure
2022	J	`jnl`	T-orbit spaces of multiplicative actions and applications. ACM Commun. Comput. Algebra Evelyne Hubert, Tobias Metzlaff, Philippe Moustrou, Cordian Riener
2022	J	`jnl`	Vandermonde Varieties, Mirrored Spaces, and the Cohomology of Symmetric Semi-algebraic Sets. Found. Comput. Math. Saugata Basu, Cordian Riener
2021	J	`jnl`	#P-hardness proofs of matrix immanants evaluated on restricted matrices. CoRR István Miklós, Cordian Riener
2021	J	`jnl`	Symmetric Non-Negative Forms and Sums of Squares. Discret. Comput. Geom. Grigoriy Blekherman, Cordian Riener
2021	J	`jnl`	Symmetric ideals, Specht polynomials and solutions to symmetric systems of equations. J. Symb. Comput. Philippe Moustrou, Cordian Riener, Hugues Verdure
2018	J	`jnl`	Optimization approaches to quadrature: New characterizations of Gaussian quadrature on the line and quadrature with few nodes on plane algebraic curves, on the plane and in higher dimensions. J. Complex. Cordian Riener, Markus Schweighofer
2018	B	`conf`	Real Root Finding for Equivariant Semi-algebraic Systems. ISSAC Cordian Riener, Mohab Safey El Din
2018	J	`jnl`	Real root finding for equivariant semi-algebraic systems. CoRR Cordian Riener, Mohab Safey El Din
2016	J	`jnl`	Deciding positivity of multisymmetric polynomials. J. Symb. Comput. Paul Görlach, Cordian Riener, Tillmann Weißer
2016	J	`jnl`	Efficient algorithms for computing the Euler-Poincaré characteristic of symmetric semi-algebraic sets. CoRR Saugata Basu, Cordian Riener
2016	J	`jnl`	On the equivariant Betti numbers of symmetric semi-algebraic sets: vanishing, bounds and algorithms. CoRR Saugata Basu, Cordian Riener
2015	J	`jnl`	On the isotypic decomposition of cohomology modules of symmetric semi-algebraic sets: polynomial bounds on multiplicities. CoRR Saugata Basu, Cordian Riener
2013	J	`jnl`	Bounding the equivariant Betti numbers and computing the generalized Euler-Poincaré characteristic of symmetric semi-algebraic sets. CoRR Saugata Basu, Cordian Riener
2013	J	`jnl`	Exploiting Symmetries in SDP-Relaxations for Polynomial Optimization. Math. Oper. Res. Cordian Riener, Thorsten Theobald, Lina Jansson Andrén, Jean B. Lasserre
2011	J	`jnl`	Exploiting symmetries in SDP-relaxations for polynomial optimization CoRR Cordian Riener, Thorsten Theobald, Lina Jansson Andrén, Jean B. Lasserre