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Matthias Christandl

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titleconferencedate
Larger Corner-Free Sets from Combinatorial DegenerationsITCS 20222022-01-31
Introduces a combinatorial degeneration method that views corner problems as independent sets in a 3-uniform hypergraph power and uses adjacency tensors to…
Talk
Two Tensor Optimization Problems From Quantum InformationOptimization Under Symmetry 20212021-11-29
Two tensor problems are the focus: deciding transformability under local linear maps via restriction/degeneration and optimizing asymptotic resource rates…
Talk on
Computing Multiplicities of Lie Group RepresentationsGeometric Complexity Theory 20142014-09-15
Algorithm computes branching multiplicities when group/homomorphism and number of diagram rows are fixed, running in poly-time for fixed rank (polynomial in…
Talk on
Tensors vs EntanglementAlgorithms and Complexity in Algebraic Geometry Boot Camp 20142014-09-02
Quick primer on entanglement transformability: bipartite states are comparable by Schmidt coefficients majorization (Nielsen) so LOCC conversion iff the…
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