Mediocre
发表于 2025-3-26 22:54:22
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MINT
发表于 2025-3-27 04:51:33
Graphs of Polytopes,The vertices and edges of a .-polytope . form an undirected graph . that encodes a lot, but not everything, about the combinatorial structure of the polytope.
Exposure
发表于 2025-3-27 07:45:34
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CHIP
发表于 2025-3-27 10:34:21
Schlegel Diagrams for 4-Polytopes,Now that we understand the combinatorics of 3-polytopes (do we?), the next step is to investigate 4-polytopes. Those are harder to understand, since we (i.e., most of us) lack a genuine geometric intuition for the geometry of 4-dimensional Euclidean space.
Autobiography
发表于 2025-3-27 16:49:57
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NAVEN
发表于 2025-3-27 20:12:04
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conception
发表于 2025-3-27 22:24:46
Shellability and the Upper Bound Theorem,Perhaps the most famous result about convex polytopes is the .. where .. denotes the number of .-dimensional faces of a .-polytope ..
paroxysm
发表于 2025-3-28 02:43:45
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蘑菇
发表于 2025-3-28 06:32:34
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不能强迫我
发表于 2025-3-28 12:31:40
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