Results 41 to 50 of about 1,535 (98)

Accounting for Missing Data When Modelling Block Maxima

open access: yesEnvironmetrics, Volume 37, Issue 2, March 2026.
ABSTRACT Modeling block maxima using the generalized extreme value (GEV) distribution is a classical and widely used method for studying univariate extremes. It allows for theoretically motivated estimation of return levels, including extrapolation beyond the range of observed data.
Emma S. Simpson, Paul J. Northrop
wiley   +1 more source

Induced subgraph density. VII. The five‐vertex path

open access: yesProceedings of the London Mathematical Society, Volume 132, Issue 3, March 2026.
Abstract We prove the Erdős–Hajnal conjecture for the five‐vertex path P5$P_5$; that is, there exists c>0$c>0$ such that every n$n$‐vertex graph with no induced P5$P_5$ has a clique or stable set of size at least nc$n^c$. This completes the verification of the Erdős–Hajnal conjecture for all five‐vertex graphs.
Tung Nguyen, Alex Scott, Paul Seymour
wiley   +1 more source

The Relevant Logic E and Some Close Neighbours: A Reinterpretation [PDF]

open access: yes, 2017
This paper has two aims. First, it sets out an interpretation of the relevant logic E of relevant entailment based on the theory of situated inference.
Mares, Edwin, Standefer, Shawn
core  

Estimates for compositions of maximal operators with singular integrals

open access: yes, 2011
We prove weak-type (1,1) estimates for compositions of maximal operators with singular integrals. Our main object of interest is the operator $\Delta^*\Psi$ where $\Delta^*$ is Bourgain's maximal multiplier operator and $\Psi$ is the sum of several ...
Coifman   +3 more
core   +1 more source

Convergence properties of dynamic mode decomposition for analytic interval maps

open access: yesCommunications on Pure and Applied Mathematics, Volume 79, Issue 2, Page 179-206, February 2026.
Abstract Extended dynamic mode decomposition (EDMD) is a data‐driven algorithm for approximating spectral data of the Koopman operator associated to a dynamical system, combining a Galerkin method with N$N$ functions and a quadrature method with M$M$ quadrature nodes.
Elliz Akindji   +3 more
wiley   +1 more source

The DNA of Calabi–Yau Hypersurfaces

open access: yesFortschritte der Physik, Volume 74, Issue 2, February 2026.
Abstract Genetic Algorithms are implemented for triangulations of four‐dimensional reflexive polytopes, which induce Calabi–Yau threefold hypersurfaces via Batyrev's construction. These algorithms are shown to efficiently optimize physical observables such as axion decay constants or axion–photon couplings in string theory compactifications.
Nate MacFadden   +2 more
wiley   +1 more source

Wittgenstein on Knowledge (1949-1951) [PDF]

open access: yes, 2003
In this paper, I want to characterize Wittgenstein"s epistemology, namely his contextualism, presented in his notes published under the title On Certainty.
Bouchard, Yves
core  

Alperin's bound and normal Sylow subgroups

open access: yesJournal of the London Mathematical Society, Volume 113, Issue 2, February 2026.
Abstract Let G$G$ be a finite group, p$p$ a prime number and P$P$ a Sylow p$p$‐subgroup of G$G$. Recently, Malle, Navarro, and Tiep conjectured that the number of p$p$‐Brauer characters of G$G$ coincides with that of the normalizer NG(P)${\bf N}_G(P)$ if and only if P$P$ is normal in G$G$.
Zhicheng Feng   +2 more
wiley   +1 more source

On vector-valued tent spaces and Hardy spaces associated with non-negative self-adjoint operators

open access: yes, 2015
In this paper we study Hardy spaces associated with non-negative self-adjoint operators and develop their vector-valued theory. The complex interpolation scales of vector-valued tent spaces and Hardy spaces are extended to the endpoint p=1.
Kemppainen, Mikko
core   +1 more source

The use of Diathermic Syncope® for stunning cattle

open access: yesEFSA Journal, Volume 24, Issue 2, February 2026.
Abstract The EFSA Panel on Animal Health and Welfare (AHAW) was asked to deliver a scientific opinion on the use of Diathermic Syncope® (DTS) for stunning cattle. A dossier was provided by the applicant as the basis for an assessment of the extent to which the method is able to provide a level of animal welfare at least equivalent to that ensured by ...
EFSA Panel on Animal Health and Welfare (AHAW)   +22 more
wiley   +1 more source

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