Results 221 to 230 of about 823,346 (364)

Quantum upper triangular matrix algebras [PDF]

open access: green
Érica Z. Fornaroli   +3 more
openalex  

Empirical likelihood for martingale differences

open access: yesJournal of Time Series Analysis, Volume 47, Issue 1, Page 59-76, January 2026.
In this article, we consider an empirical likelihood with vector observations that are martingale differences and prove a Wilks' type theorem under a conditional Lindeberg condition. We then generalize this result to approximate martingale differences.
Anton Schick
wiley   +1 more source

Aspect perception and rule‐following in Wittgenstein's Philosophical Investigations

open access: yesPhilosophical Investigations, Volume 49, Issue 1, Page 74-96, January 2026.
Abstract This paper aims to highlight a distinctive, projective, mode of aspect perception within Wittgenstein's philosophy that has gone underappreciated in the scholarly literature. Although it bears a family resemblance to other instances of the phenomenon Wittgenstein describes as ‘noticing an aspect’ in PI Part II §113, it is distinctive in that ...
James Connelly
wiley   +1 more source

Large‐Amplitude Periodic Solutions to the Steady Euler Equations With Piecewise Constant Vorticity

open access: yesStudies in Applied Mathematics, Volume 156, Issue 1, January 2026.
ABSTRACT We consider steady solutions to the incompressible Euler equations in a two‐dimensional channel with rigid walls. The flow consists of two periodic layers of constant vorticity separated by an unknown interface. Using global bifurcation theory, we rigorously construct curves of solutions that terminate either with stagnation on the interface ...
Alex Doak   +3 more
wiley   +1 more source

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