Amplituhedron meets Jeffrey-Kirwan residue

Ferro, L; Lukowski, T; Parisi, M

Ferro, L (reprint author), Ludwig Maximilians Univ Munchen, Arnold Sommerfeld Ctr Theoret Phys, Theresienstr 37, D-80333 Munich, Germany.; Ferro, L (reprint author), Univ Hertfordshire, Sch Phys Astron & Math, Hatfield AL10 9AB, AB, England.

JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL, 2019; 52 (4):

Abstract

The tree amplituhedra A n,k((m)) are mathematical objects generalising the notion of polytopes into the Grassmannian. Proposed for m = 4 as a geometri......

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