Results 1 to 10 of about 1,487,509 (274)

K-theory of valuation rings [PDF]

open access: yesCompositio Mathematica, 2018
We prove several results showing that the algebraic $K$-theory of valuation rings behaves as though such rings were regular Noetherian, in particular an analogue of the Geisser–Levine theorem.
S. Kelly, M. Morrow
semanticscholar   +5 more sources

DEFINABLE HENSELIAN VALUATION RINGS [PDF]

open access: yesThe Journal of Symbolic Logic, 2014
We give model theoretic criteria for the existence of ∃∀ and ∀∃- formulas in the ring language to define uniformly the valuation rings ${\cal O}$ of models $\left( {K,\,{\cal O}} \right)$ of an elementary theory Σ of henselian valued fields.
A. Prestel
semanticscholar   +5 more sources

Estimating the cost of and willingness to pay for providing the dapivirine ring for HIV prevention in Kenya [PDF]

open access: yesBMC Public Health
Background As Kenya prepared to introduce the PrEP ring (a long-acting product used by women for HIV prevention), the need to understand the resources required became increasingly important.
Peter Stegman   +13 more
doaj   +2 more sources

Characterizing diophantine henselian valuation rings and valuation ideals [PDF]

open access: yes, 2016
We give a characterization, in terms of the residue field, of those henselian valuation rings and those henselian valuation ideals that are diophantine.
Sylvy Anscombe, Arno Fehm
semanticscholar   +5 more sources

A Formalization of Complete Discrete Valuation Rings and Local Fields [PDF]

open access: yesCertified Programs and Proofs, 2023
Local fields, and fields complete with respect to a discrete valuation, are essential objects in commutative algebra, with applications to number theory and algebraic geometry. We formalize in Lean the basic theory of discretely valued fields.
Mar'ia In'es de Frutos-Fern'andez   +1 more
semanticscholar   +1 more source

Essential finite generation of extensions of valuation rings [PDF]

open access: yesMathematische Nachrichten, 2021
Given a generically finite local extension of valuation rings V⊂W$V \subset W$ , the question of whether W is the localization of a finitely generated V‐algebra is significant for approaches to the problem of local uniformization of valuations using ...
Rankeya Datta
semanticscholar   +1 more source

The Grothendieck–Serre conjecture over valuation rings [PDF]

open access: yesCompositio Mathematica, 2020
In this article, we establish the Grothendieck–Serre conjecture over valuation rings: for a reductive group scheme $G$ over a valuation ring $V$ with fraction field $K$, a $G$-torsor over $V$ is trivial if it is trivial over $K$. This result is predicted
N. Guo
semanticscholar   +1 more source

An inductive approach to representations of general linear groups over compact discrete valuation rings [PDF]

open access: yesAdvances in Mathematics, 2020
In his seminal Lecture Notes in Mathematics published in 1981, Andrey Zelevinsky introduced a new family of Hopf algebras which he called {\em PSH-algebras}. These algebras were designed to capture the representation theory of the symmetric groups and of
Tyrone Crisp, E. Meir, U. Onn
semanticscholar   +1 more source

Implicit linear difference equations over a non-Archi-medean ring

open access: yesVisnik Harkivsʹkogo Nacionalʹnogo Universitetu im. V.N. Karazina. Cepiâ Matematika, Prikladna Matematika i Mehanika, 2021
Over any field an implicit linear difference equation one can reduce to the usual explicit one, which has infinitely many solutions ~ one for each initial value.
Anna Goncharuk
doaj   +1 more source

Weighted Homology of Bi-Structures over Certain Discrete Valuation Rings

open access: yesMathematics, 2021
An RNA bi-structure is a pair of RNA secondary structures that are considered as arc-diagrams. We present a novel weighted homology theory for RNA bi-structures, which was obtained through the intersections of loops.
Andrei Bura, Qijun He, Christian Reidys
doaj   +1 more source

Home - About - Disclaimer - Privacy