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math.FA2017★ 1 cited
On Projections of Free Semialgebraic Sets
Tom Drescher, Tim Netzer, Andreas Thom
An important result in real algebraic geometry is the projection theorem: every projection of a semialgebraic set is again semialgebraic. This theorem and some of its conclusions l…
math.CO2017
Non-Nudgable Subgroups of Permutations
Tim Netzer
Motivated by a problem from behavioral economics, we study subgroups of permutation groups that have a certain strong symmetry. Given a fixed permutation, consider the set of all p…