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Faster real root decision algorithm for symmetric polynomials
George Labahn, Cordian Riener, Mohab Safey El Din, Éric Schost, Thi Xuan Vu
# P-hardness of matrix immanants on restricted matrices.
Cordian Riener, Istvan Miklos
Polynomial opzimization problems invariant by finite reflection groups
Cordian Riener, Sebastian Debus
Real root finding for equivariant semi-algebraic systems
Cordian Riener, Mohab Safey El Din
Reflection groups, reflection arrangements, and invariant real varieties
Tobias Friedl, Cordian Riener, Raman Sanyal