Results 121 to 130 of about 1,450,468 (275)

Fitting ideals and module structure [PDF]

open access: yes, 2002
Let R be a commutative ring with a 1. Original work by H. Fitting showed how we can associate to each finitely generated E-module a unique sequence of R-ideals, which are known as Fitting Ideals. The aim of this thesis is to undertake an investigation of
Grime, Peter John
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Local multiplicativity of perverse filtrations

open access: yesTransactions of the London Mathematical Society, Volume 13, Issue 1, December 2026.
Abstract Let f:S→C$f:S\rightarrow C$ be a proper surjective morphism from a smooth Kähler surface to a smooth curve. We show that the local perverse filtration associated with the induced map S[n]→C(n)$S^{[n]}\rightarrow C^{(n)}$ is multiplicative on each fiber if and only if f$f$ is an elliptic fibration.
Zili Zhang
wiley   +1 more source

Commutative periodic semigroups with the ideal retraction property

open access: yes, 2008
This paper presents a complete characterization of commutative periodic semigroups with the ideal retraction property. These semigroups are those with the property that each ideal is a homomorphic retraction of the semigroup.
J. A. Hildebrant   +3 more
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Global dimension of dg algebras via compact silting objects

open access: yesBulletin of the London Mathematical Society, Volume 58, Issue 10, October 2026.
Abstract We introduce a notion of global dimension for a triangulated category relative to a compact silting object. We prove that the finiteness of this dimension is an intrinsic property of the triangulated category itself and, therefore, independent of the choice of the silting object.
Panagiotis Kostas
wiley   +1 more source

How to pick your football team

open access: yesMathematika, Volume 72, Issue 4, October 2026.
Abstract Team captains Alice and Bob divide up 2m$2m$ footballers, each reduced to a real‐valued score, into two teams of m$m$ footballers each. On each turn, one captain plays picker, and the other chooser: the picker names a footballer yet to be selected, and the chooser decides which captain's team receives that footballer.
Bhargav Narayanan
wiley   +1 more source

A Graph‐Based Machine Learning Framework to Assign Empirical Interaction Parameters for Novel Molecules

open access: yesJournal of Computational Chemistry, Volume 47, Issue 24, September 15, 2026.
Quantum chemical methods of force field parameterization such as the Seminario method encountercompute limitations at large scales. We present a GNN framework that outperforms the Seminario method by 34% in reproducing infrared bond frequencies across prevalent functional groups, and is up to seven orders of magnitude faster on larger molecules ...
Yao Fu, Martin Stroet, Megan L. O'Mara
wiley   +1 more source

Other title: Agricultural Use Values

open access: yes, 2000
Caption title.; "January 4, 2000.
Kansas. Division of Property Valuation. Agricultural Use Section.
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Hybrid Coupling With Operator Inference and the Overlapping Schwarz Alternating Method

open access: yesInternational Journal for Numerical Methods in Engineering, Volume 127, Issue 17, 15 September 2026.
ABSTRACT This paper presents a hybrid approach for coupling subdomain‐local, nonintrusive Operator Inference (OpInf) reduced order models (ROMs) with each other and with subdomain‐local, high‐fidelity full order models (FOMs) using the overlapping Schwarz alternating method (O‐SAM).
Irina Tezaur   +5 more
wiley   +1 more source

Quantum Master Equation for Electronic Structure in Open Graphene: Non‐Hermitian Hamiltonians and Types of Dissipative Dynamics

open access: yesAnnalen der Physik, Volume 538, Issue 9, September 2026.
Electron transport is studied between carbon atoms in the open graphene, while assuming bands to be collective states of electrons in the presence of lattice atoms. To describe dissipative effects, non‐Hermitian extension of the band Hamiltonian is proposed, which models spontaneous emission or injection.
Konstantin G. Zloshchastiev
wiley   +1 more source

Kansas Department of Revenue. Kansas Property Valuation Department. KGI Online Library

open access: yes, 1958
ISSUED BY: Kansas Property Valuation Department, 1958-1972 Kansas Department of Revenue, Division of Property Valuation, 1973-A collection of appraisal/assessment guides issued by the Kansas Division of Property Valuation.1958 KANSAS ASSESSMENT MANUAL ...
Kansas Division of Property Valuation
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