Electrical canonical basis stratification conjecture for electroid varieties
Electrical canonical basis stratification conjecture for electroid varieties
Let be the space of electrical networks, let be the electroid variety indexed by a matching on points, and let . Let be the proposed electrical canonical basis of . Electrical canonical basis stratification conjecture. For every matching , the elements that do not restrict to zero on form a basis of the homogeneous coordinate ring . Moreover, if is not identically zero on , then it takes strictly positive values on . This conjecture predicts that the electrical canonical basis behaves well under the electroid stratification, both algebraically through restriction and positively on the nonnegative strata.
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Primary source
Yibo Gao, Thomas Lam and Zixuan Xu, “Electrical networks and the Grove algebra”, arXiv:2208.12798 (2022).
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