arXiv AI By Xinan Dai, Wenhao Deng, Yingdong Shi, Tailin Wu, Yuchen Yang

An Exact Counterexample to Carlson's Associated-Prime Depth Conjecture from a Group of Order 128

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arXiv:2607. 23732v1 Announce Type: cross Abstract: In Question~3.

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arXiv AI
Jul 28

An Explicit Counterexample to Stanley's Rankwise Lower-Bound Conjecture for Differential Posets

arXiv:2607. 22988v1 Announce Type: cross Abstract: In Problem~6 of his 1988 paper on differential posets, Stanley asked for the least possible cardinality of a fixed rank of an $r$-differential poset and suggested that the minimum should be attained by $Y^r$, the $r$-fold Cartesian power of Young's lattice.

By Xinan Dai, Yuchen Yang, Wenhao Deng, Yingdong Shi, Tailin Wu