Palindromicity conjecture for hyperplane sections of high-degree complete intersections

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Let P=PNP=\mathbb{P}^N, and let X⊂PX\subset P be a general complete intersection of multi-degree (d1,d2,…,dk)(d_1,d_2,\ldots,d_k) with d1≤⋯≤dkd_1\leq\cdots\leq d_k. Assume that d1≫0d_1\gg0. For a hyperplane H∈P∨H\in P^{\vee}, write Y:=X∩HY:=X\cap H. Palindromicity conjecture. The hyperplane section YY is palindromic. This conjecture generalizes the preceding result for hyperplane sections of general cubic 44-folds, and asks whether palindromicity persists for hyperplane sections of general complete intersections when the smallest defining degree is sufficiently large.

References

Primary source

Patrick Brosnan, “Perverse obstructions to flat regular compactifications”, arXiv:1612.01220 (2016).

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