Results 61 to 70 of about 6,650 (233)

Prime order derangements in primitive permutation groups

open access: yes, 2011
Let G be a transitive permutation group on a finite set Ω of size at least 2. An element of G is a derangement if it has no fixed points on Ω. Let r be a prime divisor of |Ω|.
Giudici, M.   +10 more
core   +1 more source

Towards an ‘absolute’ timing of biostratigraphic and environmental phases from the Saalian late glacial to the Weichselian pleniglacial in central Europe—Insights from a lacustrine succession in Lichtenberg, northern Germany

open access: yesBoreas, EarlyView.
Palynological records are central to the biostratigraphic subdivision of the Late Pleistocene in central Europe. Yet many interglacial and interstadial phases—such as the Eemian, Brörup and Odderade—remain only poorly constrained in time due to limited numerical dating.
Michael Hein   +19 more
wiley   +1 more source

On reconstructing finite gauge group from fusion rules

open access: yesJournal of High Energy Physics
Gauging a finite group 0-form symmetry G of a quantum field theory (QFT) results in a QFT with a Rep(G) symmetry implemented by Wilson lines. The group G determines the fusion of Wilson lines.
Rajath Radhakrishnan
doaj   +1 more source

On the Brauer Group of Toric Varieties [PDF]

open access: yesTransactions of the American Mathematical Society, 1993
Let \(X\) be an algebraic variety over an algebraically closed field of characteristic zero, let \(B(X)\) be the Brauer group of Azumaya algebras on \(X\), and let \(B'(X)\) be the cohomological Brauer group of \(X\), i.e., the torsion subgroup of the second étale cohomology group \(H^ 2(X,G_ m)\) with coefficients in the sheaf of units.
Demeyer, Frank R., Ford, Timothy J.
openaire   +1 more source

Exact sequences for relative Brauer groups and Picard groups

open access: yes, 1983
Relative Brauer groups and Picard groups have been introduced in [19] resp. [17]. In both papers we restricted atteention to the Brauer group resp. Picard group of a single couple (R,σ) consisting of a commutative ring R and an indempotent kernel funktor
Verschoren, A.
core   +1 more source

Circulating Musclin is associated with skeletal muscle function and subclinical cardiac dysfunction in patients with cancer

open access: yesBritish Journal of Pharmacology, EarlyView.
Background and Purpose Musclin (osteocrin) is a skeletal muscle‐derived peptide that has been implicated in cardioprotective signalling pathways. Its relevance in cancer patients, who frequently experience muscle wasting and cardiotoxicity, remains unclear. This study aimed to determine whether circulating Musclin levels reflect functional capacity and
Jannek Brauer   +5 more
wiley   +1 more source

Brauer groups of Quot schemes [PDF]

open access: yesMichigan Mathematical Journal, 2015
Let $X$ be an irreducible smooth complex projective curve. Let ${\mathcal Q}(r,d)$ be the Quot scheme parametrizing all coherent subsheaves of ${\mathcal O}^{\oplus r}_X$ of rank $r$ and degree $-d$. There are natural morphisms ${\mathcal Q}(r,d) \longrightarrow \text{Sym}^d(X)$ and $\text{Sym}^d(X) \longrightarrow \text{Pic}^d(X)$.
Biswas, Indranil   +2 more
openaire   +4 more sources

A Picard-Brauer exact sequence of categorical groups

open access: yes, 2002
A categorical group is a monoidal groupoid in which each object has a tensorial inverse. Two main examples are the Picard categorical group of a monoidal category and the Brauer categorical group of a braided monoidal category with stable coequalizers ...
Vitale, Enrico, Vitale, Enrico M.
core   +1 more source

Cardiac surveillance in immune checkpoint inhibitor therapy: Insights from the Essen Cardio‐oncology Registry

open access: yesBritish Journal of Pharmacology, EarlyView.
Abstract Background and Purpose Immune checkpoint inhibitors (ICI) have revolutionized cancer therapy, offering improvements in survival across various malignancies. However, their toxicities pose a major challenge for cardio‐oncology units. Despite their growing importance, data on effectiveness of such specialized units in mitigating ICI‐associated ...
Elias Haj‐Yehia   +6 more
wiley   +1 more source

Ketogenic Diet Alleviates Colorectal Cancer by Attenuating Macrophage M2 Polarisation Triggered by Oncometabolite MMA Derived From the Gut Microbiota

open access: yesCell Proliferation, EarlyView.
Proposed mechanism of the ketogenic diet‐microbiota‐MMA‐immune axis in CRC. (Part 1) A ketogenic diet remodels gut microbiota homeostasis by depleting MMA‐producing bacteria, thereby reducing the accumulation of the oncometabolite (MMA). (Part 2) At the molecular level, MMA acts as a ligand that binds to Rap1, activating the downstream MAPK/ERK ...
Yang Lu   +13 more
wiley   +1 more source

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