Results 31 to 40 of about 299,272 (139)

The Brauer-Manin Obstruction and Sha[2]. [PDF]

open access: yes, 2007
We discuss the Brauer-Manin obstruction on del Pezzo surfaces of degree 4. We outline a detailed algorithm for computing the obstruction and provide associated programs in magma.
Flynn, E. V.   +3 more
core  

Taking limits in topological recursion

open access: yesJournal of the London Mathematical Society, Volume 112, Issue 3, September 2025.
Abstract When does topological recursion applied to a family of spectral curves commute with taking limits? This problem is subtle, especially when the ramification structure of the spectral curve changes at the limit point. We provide sufficient (straightforward‐to‐use) conditions for checking when the commutation with limits holds, thereby closing a ...
Gaëtan Borot   +4 more
wiley   +1 more source

Odd moments and adding fractions

open access: yesProceedings of the London Mathematical Society, Volume 131, Issue 1, July 2025.
Abstract We prove near‐optimal upper bounds for the odd moments of the distribution of coprime residues in short intervals, confirming a conjecture of Montgomery and Vaughan. As an application, we prove near‐optimal upper bounds for the average of the refined singular series in the Hardy–Littlewood conjectures concerning the number of prime k$k$‐tuples
Thomas F. Bloom, Vivian Kuperberg
wiley   +1 more source

Manin triples and quasitriangular structures of Hom-Poisson bialgebras

open access: yes, 2018
In this paper, we first introduce the definition of a Hom-Poisson bialgebra and give an equivalent descriptions via the Manin triple of Hom-Poisson algebras. Also we introduce notions of $\mathcal{O}$-operator on a Hom-Poisson algebra, post-Hom-Poisson algebra and quasitriangular Hom-Poisson bialgebra, and present a method to construct post-Hom-Poisson
Guo, Shuangjian   +2 more
openaire   +2 more sources

Les postérités inattendues de Principes du gouvernement représentatif : une discussion avec Bernard Manin

open access: yes, 2019
Le livre de Bernard Manin, Principes du gouvernement représentatif, a trouvé des lecteurs attentifs parmi les spécialistes du tirage au sort en politique, ainsi que chez ses militants.
Manin, Bernard, Chollet, Antoine
core   +1 more source

Algebraic relations between solutions of Painlevé equations

open access: yesJournal of the London Mathematical Society, Volume 111, Issue 6, June 2025.
Abstract In this manuscript, we make major progress classifying algebraic relations between solutions of Painlevé equations. Our main contribution is to establish the algebraic independence of solutions of various pairs of equations in the Painlevé families; for generic coefficients, we show that all algebraic relations between solutions of equations ...
James Freitag, Joel Nagloo
wiley   +1 more source

Interlinkages Between Agri‐Food Trade and the SDGs at the Global, Regional and Local Level

open access: yesJournal of International Development, Volume 37, Issue 4, Page 951-977, May 2025.
ABSTRACT This study is a structured review on the interlinkages between agri‐food trade and the SDGs in the environmental, social and economic dimensions to identify any missed opportunities that agri‐food trade could positively impact the SDGs and provide policy guidance for the missed opportunities at the global, regional and national levels. A great
Armah N. A. Ralph   +5 more
wiley   +1 more source

Triple Connected Domination Number of a Graph [PDF]

open access: yes, 2012
The concept of triple connected graphs with real life application was introduced by considering the existence of a path containing any three vertices of a graph G.
Selvam Avadayappan   +7 more
core   +1 more source

Heavenly metrics, hyper‐Lagrangians and Joyce structures

open access: yesJournal of the London Mathematical Society, Volume 110, Issue 5, November 2024.
Abstract In [Proc. Sympos. Pure Math., American Mathematical Society, Providence, RI, 2021, pp. 1–66], Bridgeland defined a geometric structure, named a Joyce structure, conjectured to exist on the space M$M$ of stability conditions of a CY3$CY_3$ triangulated category.
Maciej Dunajski, Timothy Moy
wiley   +1 more source

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