微不足道 发表于 2025-3-26 23:33:30

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gusher 发表于 2025-3-27 03:05:43

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滑动 发表于 2025-3-27 06:20:48

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engender 发表于 2025-3-27 12:46:48

Biology of Repair of the Immature Skeleton,ch is the moment map image of the positive Grassmannian . and has nice combinatorics in connection with matroid theory and tropical geometry. The second is the . . .—a 2.-dimensional semialgebraic set in . which is the image of the positive Grassmannian . under a linear map induced by a totally posi

LIKEN 发表于 2025-3-27 17:09:10

Fractures in Pediatric Growth Disorders,sitroid cells . under .. If such images have pair-wise disjoint interior, cover . and are full-dimensional, then we call their collection . a .. If . is also injective on each cell ., then . is a ., and each . is a .. When . is the moment map, then . are ., so a positroid tiling of the hypersimplex

英寸 发表于 2025-3-27 18:33:45

The Child with Multiple Injuries,ee-level scattering amplitudes in momentum space can be obtained from a contour integral over collections of .-dimensional positroid cells of .. On the other side, in momentum twistor space, one has collections of 4.-dimensional positroid cells of .. While the latter collections were conjectured to

cyanosis 发表于 2025-3-27 22:37:24

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Progesterone 发表于 2025-3-28 03:12:02

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extrovert 发表于 2025-3-28 09:05:16

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水槽 发表于 2025-3-28 12:34:01

978-3-031-41071-0The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerl
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查看完整版本: Titlebook: Combinatorial Aspects of Scattering Amplitudes; Amplituhedra, T-dual Matteo Parisi Book 2023 The Editor(s) (if applicable) and The Author(s