Stanley–Reisner-type degeneration conjecture for loop-model schemes
Let be a link pattern, let be a diagram of , let be the associated scheme, and let denote its fixed-connectivity part for a connectivity . For every crossing of , the relevant component is described by the equations and . Loop-model degeneration conjecture. There exists a (partial) Gröbner -equivariant degeneration of into an in-general-unreduced scheme whose components are indexed by noncrossing loop configurations of , with the components coming from indexed by loop configurations of connectivity ; each geometric component is given by the stated equations and has multiplicity . The conjecture refines the expected Stanley–Reisner degeneration by allowing nonreduced components, whose multiplicities account for the loop weight. The supplied text gives no resolution, so it remains open.
References
Primary source
Paul Zinn-Justin, “Loop Models and K-Theory”, arXiv:1612.05361 (2018).
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