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.
References
Primary source
Yibo Gao, Thomas Lam and Zixuan Xu, “Electrical networks and the Grove algebra”, arXiv:2208.12798 (2022).
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