Weak Gorensteinness conjecture for Eisenstein Hecke algebras
Let and be the Eisenstein components of the cuspidal and full Hecke algebras, respectively. The ideals and are their Eisenstein ideals, with the preimage of . We call weakly Gorenstein if is Gorenstein for every height-one prime , and similarly for using . Weak Gorensteinness conjecture. The Hecke algebras and are weakly Gorenstein. This is motivated by the fact that neither algebra is Gorenstein in general; the conjecture concerns Gorensteinness after localization at height-one primes containing the relevant Eisenstein ideal.
References
Primary source
Preston Wake, “Eisenstein Hecke algebras and conjectures in Iwasawa theory”, arXiv:1401.3764 (2014).
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