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math-ph2018
Non-abelian Quantum Statistics on Graphs
Tomasz Maciążek, Adam Sawicki
We show that non-abelian quantum statistics can be studied using certain topological invariants which are the homology groups of configuration spaces. In particular, we formulate a…
math-ph2017
Quantum marginals from pure doubly excited states
Tomasz Maciazek, Valdemar Tsanov
The possible spectra of one-particle reduced density matrices that are compatible with a pure multipartite quantum system of finite dimension form a convex polytope. We introduce a…