Some more amplituhedra are contractible

Blagojevic, PVM; Galashin, P; Palic, N; Ziegler, GM

Blagojevic, PVM (reprint author), Free Univ Berlin, Inst Math, Arnimallee 2, D-14195 Berlin, Germany.; Blagojevic, PVM (reprint author), Matemat Inst SANU, Knez Mihailova 36, Beograd 11000, Serbia.

SELECTA MATHEMATICA-NEW SERIES, 2019; 25 (1):

Abstract

The amplituhedra arise as images of the totally nonnegative Grassmannians by projections that are induced by linear maps. They were introduced in Phys......

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