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math.RA2026
A further study of quandles and quandle rings
Gregory Churchill, Indu Rasika Churchill, Neranga Fernando +1
We investigate core quandles and idempotents in quandle rings of core quandles. We answer several questions on the rank of core quandles and nontrivial idempotents in quandle rings…
math.RA2016★ 3 cited
-Racks, -Quandles, their Extensions and Cohomology
Indu R. U. Churchill, M. Elhamdadi, M. Green +1
The purpose of this paper is to introduce and study the notions of -rack and -quandle which are obtained by twisting the usual equational identities by a map. We provide some…