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http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/1060| Title: | On the comparison of two constructions of Witt vectors of non-commutative rings |
| Authors: | HOGADI, AMIT PISOLKAR, SUPRIYA Dept. of Mathematics |
| Keywords: | Mathematics Witt vectors of non-commutative rings 2018 |
| Issue Date: | Jul-2018 |
| Publisher: | Elsevier B.V. |
| Citation: | Journal of Algebra, 506, 379-396. |
| Abstract: | Let A be any associative ring, possibly non-commutative and let p be a prime number. Let E(A)be the ring of p-typical Witt vectors as constructed by Cuntz and Deninger in [1] E(A)and be that constructed by Hesselholt in [3]. The goal of this paper is to answer the following question by Hesselholt: IsHH0(E(A))∼=W(A)We show that in the case , there is no such isomorphism possible if one insists that it be compatible with the Verschiebung operator and the Teichmüller map. |
| URI: | http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/1060 https://doi.org/10.1016/j.jalgebra.2018.03.021 |
| ISSN: | 0021-8693 |
| Appears in Collections: | JOURNAL ARTICLES |
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