Ragni Piene,
Cordian Riener,
Boris Shapiro
:
Return of the evolute
Philippe Moustrou,
Cordian Riener,
Robin Leonid Schabert
:
Constructively describing orbit spaces of finite groups by few inequalities
Journal of symbolic computation 2025
DOI
Cordian Riener,
Jan Rolfes,
Frank Vallentin
:
A semidefinite programming hierarchy for covering problems in discrete geometry
Numerical Algebra, Control and Optimization 2025
DOI
Cordian Benedikt Riener,
Robin Leonid Schabert,
Thi Xuan Vu
:
Connectivity in Symmetric Semi-Algebraic Sets
Association for Computing Machinery 2024
DOI
Philippe Moustrou,
Cordian Benedikt Riener,
Thorsten Theobald,
Hugues Verdure
:
Symmetric SAGE and SONC forms, exactness and quantitative gaps
Journal of symbolic computation 2024
DOI
Mario Kummer,
Cordian Benedikt Riener
:
Equivariant algebraic and semi-algebraic geometry of infinite affine space
Evelyne Hubert,
Tobias Metzlaff,
Philippe Moustrou,
Cordian Benedikt Riener
:
Optimization of trigonometric polynomials with crystallographic symmetry and spectral bounds for set avoiding graphs
Mathematical programming 2024
ARKIV /
DOI
Evelyne Hubert,
Tobias Metzlaff,
Cordian Benedikt Riener
:
Orbit Spaces of Weyl Groups Acting on Compact Tori: A Unified and Explicit Polynomial Description
SIAM Journal on applied algebra and geometry 2024
ARKIV /
DOI
Sebastian Debus,
Charu Goel,
Salma Kuhlmann,
Cordian Benedikt Riener
:
On nonnegative invariant quartics in type A
Journal of symbolic computation 2024
ARKIV /
DOI
Philippe Moustrou,
Cordian Benedikt Riener,
Hugues Verdure
:
Symmetries in Polynomial Optimization
Sebastian Debus,
Cordian Riener
:
Reflection groups and cones of sums of squares
Journal of symbolic computation 2023
ARKIV /
DOI
Gabriella Óturai,
Cordian Riener,
Sarah Martiny
:
Attitudes towards mathematics, achievement, and drop-out intentions among STEM and Non-STEM students in Norway
International Journal of Educational Research Open 2023
ARKIV /
DOI
Cordian Benedikt Riener,
Robin Leonid Schabert
:
Linear slices of hyperbolic polynomials and positivity of symmetric polynomial functions
Journal of Pure and Applied Algebra 2023
ARKIV /
DOI
Sebastian Debus,
Philippe Moustrou,
Cordian Benedikt Riener,
Hugues Verdure
:
The poset of Specht ideals for hyperoctahedral groups
Algebraic combinatorics 2023
ARKIV /
DOI
Thi Xuan Vu,
Mohab Safey el Din,
George Labahn,
Cordian Benedikt Riener,
Éric Schost
:
Faster real root decision algorithm for symmetric polynomials
Association for Computing Machinery 2023
DOI
Philippe Moustrou,
Helen Naumann,
Cordian Riener,
Thorsten Theobald,
Hugues Verdure
:
Symmetry Reduction in AM/GM-Based Optimization
SIAM Journal on Optimization 2022
ARKIV /
DOI
Saugata Basu,
Cordian Riener
:
Vandermonde Varieties, Mirrored Spaces, and the Cohomology of Symmetric Semi-algebraic Sets
Foundations of Computational Mathematics 2021
DOI
Philippe Moustrou,
Cordian Riener,
Hugues Verdure
:
Symmetric ideals, Specht polynomials and solutions to symmetric systems of equations
Journal of symbolic computation 2021
ARKIV /
DOI
Grigoriy Blekherman,
Cordian Riener
:
Symmetric Non-Negative Forms and Sums of Squares
Grigoriy Blekherman,
Mario Kummer,
Cordian Riener,
Markus Schweighofer,
Cynthia Vinzant
:
Generalized eigenvalue methods for Gaussian quadrature rules
Annales Henri Lebesgue (AHL) 2020
ARKIV /
DOI
Cordian Riener,
Markus Schweighofer
:
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
Journal of Complexity 2018
DOI
Tobias Friedl,
Cordian Riener,
Raman Sanyal
:
Reflection groups, arrangements, and invariant real varieties
Proceedings of the American Mathematical Society 2018
ARKIV /
DOI
Saugata Basu,
Cordian Riener
:
On the equivariant Betti numbers of symmetric definable sets: vanishing, bounds and algorithms
Selecta Mathematica, New Series 2018
ARKIV /
DOI
Saugata Basu,
Cordian Riener
:
On the Isotypic Decomposition of Cohomology Modules of Symmetric Semi-algebraic Sets: Polynomial Bounds on Multiplicities
International Mathematics Research Notices (IMRN) 2018
ARKIV /
DOI
Cordian Riener,
Nicolai Vorobjov
:
On Irreducible Components of Real Exponential Hypersurfaces
Arnold Mathematical Journal 2017
DOI
Saugata Basu,
Cordian Riener
:
Efficient algorithms for computing the Euler-Poincaré characteristic of symmetric semi-algebraic sets
Contemporary Mathematics 2017
DOI
Saugata Basu,
Cordian Riener
:
Bounding the equivariant Betti numbers of symmetric semi-algebraic sets
Advances in Mathematics 2017
DOI
Cordian Riener
:
Symmetric semi-algebraic sets and non-negativity of symmetric polynomials polynomials
Journal of Pure and Applied Algebra 2016
DOI
Cordian Riener,
Paul Görlach,
Tillmann Weißer
:
Deciding positivity of multisymmetric polynomials
Journal of symbolic computation 2016
DOI
Helge Holden,
Hans Zanna Munthe-Kaas,
Dag Rune Olsen,
Cordian Benedikt Riener
:
Norge trenger et løft for matematikk på høyt nivå
Nordnorsk debatt - Nordlys 16. januar 2025
Cordian Riener,
Hans Munthe-Kaas,
Marta Panizzut,
Elisabeth Wetzer
:
Women in Mathematics
2025
Cordian Riener,
Hans Zanna Munthe-Kaas
:
Tiden er inne for Matematikkens hus
Khrono 2025
Petter Bjørklund,
Elisabeth Wetzer,
Cordian Benedikt Riener
:
Feirer Kvinner i matematikk-dagen på Verdensteatret
uit.no 2024
Gabriella Oturai,
Sarah Elisabeth Martiny,
Johanne Sofie Dalvik,
Cordian Benedikt Riener
:
Norwegian students' views on mathematics and mathematicians
2024
Gabriella Oturai,
Cordian Benedikt Riener
:
Disse resultatene i matte og naturfag er et varsko for norsk skole
Gunnar Fløystad,
Cordian Riener,
Satoshi Murai,
Kohji Yanagawa
:
MFO-RIMS Tandem Workshop: Symmetries on Polynomial Ideals and Varieties
2022
Hugues Verdure,
Philippe Moustrou,
Cordian Riener,
Helen Naumann,
Thorsten Theobald
:
Symmetries in AM/GM-based optimization
2021
Cordian Riener
:
Symmetries in algorithmic questions in real algebraic geometry
2020
Cordian Riener,
Ragni Piene
:
Ragni Piene
2020
Cordian Riener,
Saugata Basu,
Marie Françoise Roy
:
Foreword to the Special Issue dedicated to the Arctic Applied Algebra conference 2019 in Tromsø
Journal of Pure and Applied Algebra 2020
DOI
Cordian Riener
:
Efficiently computing Betti numbers of symmetric semi algebraic sets
2020
Cordian Riener
:
Stand på forskningstorg (Matematiske spill og gåter) under Utforsk UiT, Forskningsdagene 2019
2019
Cordian Riener
:
Algorithms to compute topological invariants of symmetric semi algebraic sets
2019
Cordian Riener
:
Geometry of quadrature rules
2019
Cordian Riener
:
Vandermonde varieties, mirror spaces, and the cohomology of symmetric semi-algebraic sets
2019
Cordian Riener
:
Computing the homology of symmetric semi-algebraic sets
2018
Cordian Riener
:
Efficiently computing the Betti numbers of symmetric semi-algebraic sets
2018
Cordian Riener,
Mohab Safey el Din
:
Real Root Finding for Equivariant Semi-algebraic Systems
Cordian Riener
:
Semidefinite optimization and arithmetic progressions
2018
