Mathematics > Combinatorics
arXiv:2511.07316 (math)
[Submitted on 10 Nov 2025 (v1), last revised 3 Sep 2026 (this version, v3)]
Abstract:The CHY scattering equations on the moduli space $M_{0,n}$ play a prominent role at the interface of particle physics and algebraic statistics. We study the scattering correspondence when the Mandelstam invariants are restricted to a fixed graph on $n$ vertices.
| Comments: | 30 pages. Major revision. Theorem 3.9 and Conjecture 7.1 are corrected. Added Section 6 "Complete Bipartite Graphs" |
| Subjects: | Combinatorics (math.CO); High Energy Physics - Theory (hep-th); Commutative Algebra (math.AC) |
| MSC classes: | 05C75, 13P25, 14N20, 62R01 |
| Cite as: | arXiv:2511.07316 [math.CO] |
| (or arXiv:2511.07316v3 [math.CO] for this version) | |
| https://doi.org/10.48550/arXiv.2511.07316 arXiv-issued DOI via DataCite |
Submission history
From: Barbara Betti [view email]
[v1]
Mon, 10 Nov 2025 17:18:28 UTC (33 KB)
[v2]
Fri, 14 Nov 2025 12:51:33 UTC (33 KB)
[v3]
Thu, 3 Sep 2026 10:07:47 UTC (40 KB)
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