Cordian Riener

According to our database, Cordian Riener authored at least 19 papers between 2013 and 2024.

Collaborative distances:

• Dijkstra number of three.
• Erdős number of three.

2024

Orbit Spaces of Weyl Groups Acting on Compact Tori: A Unified and Explicit Polynomial Description.

Evelyne Hubert, Tobias Metzlaff, Cordian Riener

SIAM J. Appl. Algebra Geom., 2024

Connectivity in Symmetric Semi-Algebraic Sets.

Cordian Riener, Robin Schabert, Thi Xuan Vu

Proceedings of the 2024 International Symposium on Symbolic and Algebraic Computation, 2024

2023

Reflection groups and cones of sums of squares.

Sebastian Debus, Cordian Riener

J. Symb. Comput., 2023

Faster real root decision algorithm for symmetric polynomials.

George Labahn, Cordian Riener, Mohab Safey El Din, Éric Schost, Thi Xuan Vu

Proceedings of the 2023 International Symposium on Symbolic and Algebraic Computation, 2023

2022

Symmetry Reduction in AM/GM-Based Optimization.

Philippe Moustrou, Helen Naumann, Cordian Riener, Thorsten Theobald, Hugues Verdure

SIAM J. Optim., 2022

Vandermonde Varieties, Mirrored Spaces, and the Cohomology of Symmetric Semi-algebraic Sets.

Saugata Basu, Cordian Riener

Found. Comput. Math., 2022

Linear slices of hyperbolic polynomials and positivity of symmetric polynomial functions.

Cordian Riener, Robin Schabert

CoRR, 2022

T-orbit spaces of multiplicative actions and applications.

Evelyne Hubert, Tobias Metzlaff, Philippe Moustrou, Cordian Riener

ACM Commun. Comput. Algebra, 2022

2021

Symmetric ideals, Specht polynomials and solutions to symmetric systems of equations.

Philippe Moustrou, Cordian Riener, Hugues Verdure

J. Symb. Comput., 2021

Symmetric Non-Negative Forms and Sums of Squares.

Grigoriy Blekherman, Cordian Riener

Discret. Comput. Geom., 2021

#P-hardness proofs of matrix immanants evaluated on restricted matrices.

István Miklós, Cordian Riener

CoRR, 2021

2018

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.

Cordian Riener, Markus Schweighofer

J. Complex., 2018

Real Root Finding for Equivariant Semi-algebraic Systems.

Cordian Riener, Mohab Safey El Din

Proceedings of the 2018 ACM on International Symposium on Symbolic and Algebraic Computation, 2018

2016

Deciding positivity of multisymmetric polynomials.

Paul Görlach, Cordian Riener, Tillmann Weißer

J. Symb. Comput., 2016

On the equivariant Betti numbers of symmetric semi-algebraic sets: vanishing, bounds and algorithms.

Saugata Basu, Cordian Riener

CoRR, 2016

Efficient algorithms for computing the Euler-Poincaré characteristic of symmetric semi-algebraic sets.

Saugata Basu, Cordian Riener

CoRR, 2016

2015

On the isotypic decomposition of cohomology modules of symmetric semi-algebraic sets: polynomial bounds on multiplicities.

Saugata Basu, Cordian Riener

CoRR, 2015

2013

Exploiting Symmetries in SDP-Relaxations for Polynomial Optimization.

Cordian Riener, Thorsten Theobald, Lina Jansson Andrén, Jean B. Lasserre

Math. Oper. Res., 2013

Bounding the equivariant Betti numbers and computing the generalized Euler-Poincaré characteristic of symmetric semi-algebraic sets.

Saugata Basu, Cordian Riener

CoRR, 2013