Results 221 to 230 of about 387,976 (320)

Presentation of kernels of rational characters of right‐angled Artin groups

open access: yesBulletin of the London Mathematical Society, EarlyView.
Abstract In this note, we characterise when the kernel of a rational character of a right‐angled Artin group, also known as generalised Bestiva–Brady group, is finitely generated and finitely presented. In these cases, we exhibit a finite generating set and a presentation.
Montserrat Casals‐Ruiz   +2 more
wiley   +1 more source

On Bergman–Toeplitz operators in periodic planar domains

open access: yesTransactions of the London Mathematical Society, Volume 12, Issue 1, December 2025.
Abstract We study spectra of Toeplitz operators Ta$T_a$ with periodic symbols in Bergman spaces A2(Π)$A^2(\Pi)$ on unbounded singly periodic planar domains Π$\Pi$, which are defined as the union of infinitely many copies of the translated, bounded periodic cell ϖ$\varpi$.
Jari Taskinen
wiley   +1 more source

The algebraic von Neumann kernel and linear algebraic groups

open access: yesMathematische Zeitschrift, 1981
Strassberg, Helen, Rothman, Sheldon
openaire   +2 more sources

Periodic points of rational functions over finite fields

open access: yesTransactions of the London Mathematical Society, Volume 12, Issue 1, December 2025.
Abstract For q$q$ a prime power and ϕ$\phi$ a rational function with coefficients in Fq$\mathbb {F}_q$, let p(q,ϕ)$p(q,\phi)$ be the proportion of P1Fq$\mathbb {P}^1\left(\mathbb {F}_q\right)$ that is periodic with respect to ϕ$\phi$. Furthermore, if d$d$ is a positive integer, let Qd$Q_d$ be the set of prime powers coprime to d!$d!$ and let P(d,q ...
Derek Garton
wiley   +1 more source

Impact of Intermittent Theta Burst Stimulation on Pain Relief and Brain Connectivity in Chronic Low Back Pain

open access: yesEuropean Journal of Pain, Volume 29, Issue 6, July 2025.
ABSTRACT Background This randomised clinical trial investigated the effect of intermittent theta burst stimulation (iTBS) over the dorsolateral prefrontal cortex (DLPFC) on pain alleviation in patients with chronic low back pain (CLBP) and its underlying mechanisms.
Jiajia Yang   +9 more
wiley   +1 more source

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