Results 11 to 20 of about 6,650 (233)

The spin Brauer category

Forum of Mathematics, Sigma
We introduce a diagrammatic monoidal category, the spin Brauer category, that plays the same role for the spin and pin groups as the Brauer category does for the orthogonal groups.
Peter J. McNamara, Alistair Savage
doaj   +2 more sources

Equivariant Brauer groups and cohomology

Journal of Algebra, 2006
Let \(\Gamma\) be a group, \(K\) a \(\Gamma\)-field, i.e., a field on which \(\Gamma\) acts by automorphisms, and \(H^2(\Gamma;K^*)\) the second cohomology group of \(\Gamma\) with coefficients in the multiplicative group \(K^*\) of \(K\) (viewed as a \(\Gamma\)-module).
Cegarra, A.M., Garzón, A.R.
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n-Torsion of Brauer groups as relative Brauer groups of abelian extensions

Journal of Number Theory, 2007
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Popescu, Cristian D., Sonn, Jack, Wadsworth, Adrian R.   +2 more
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Weight-Lowering Drugs and Natural Female Fertility-A Systematic Review and Meta-Analysis. [PDF]

Clin Obes
ABSTRACT Overweight and obesity are global health concerns linked to impaired female fertility. Weight‐lowering drugs are an alternative for achieving weight loss; however, their effect on natural female fertility is unclear. A systematic review and meta‐analysis were conducted to summarise the literature on the effects of weight‐lowering drugs on ...
Alnaimi SJ, Alsugeir DM, Wei L, Harvey K, Brauer R.   +4 more
europepmc   +2 more sources

On Brauer groups in characteristic $p$

, 2023
CM
Saltman, D. J., Ojanguren, Manuel, Knus, Max-Albert   +2 more
core   +1 more source

The Brauer group is torsion [PDF]

Proceedings of the American Mathematical Society, 1981
In [3], a well-known fact about the Brauer group of a field was generalized to show that the Brauer group of a commutative ring was torsion. In fact, if A is Azumaya of constant rank n2 over R, then A (= A OR O * R A) ~ EndR(P) for P an progenerator. In this note we will present a relatively elementary proof of this theorem, and we will also describe P
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Witt groups of Severi-Brauer varieties and of function fields of conics [PDF]

Épijournal de Géométrie Algébrique
The Witt group of skew hermitian forms over a division algebra $D$ with symplectic involution is shown to be canonically isomorphic to the Witt group of symmetric bilinear forms over the Severi-Brauer variety of $D$ with values in a suitable line bundle.
Anne Quéguiner-Mathieu, Jean-Pierre Tignol   +1 more
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Polyethyleneimine (PEI) Functionalized Metal Oxide Nanoparticles Recovered From the Catalytic Converters of Spent Automotive Exhaust Systems and Application for CO2 Adsorption

Frontiers in Energy Research, 2020
A novel CO2 sorbent was prepared from the catalytic converters of spent automotive exhaust system by modifying with polyethyleneimine (PEI) through wet impregnation method.
Vahid Irani, Akram Ghanbari Khosh, Ahmad Tavasoli   +2 more
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On the Brauer Group of an Arithmetic Model of a Variety over a Global Field of Positive Characteristic

Моделирование и анализ информационных систем, 2016
Let V be a smooth projective variety over a global field k = κ(C) of rational functions on a smooth projective curve C over a finite field Fq of characteristic p.
T. V. Prokhorova
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The Picard group of Brauer-Severi varieties

Open Mathematics, 2018
In this paper, we provide explicit generators for the Picard groups of cyclic Brauer-Severi varieties defined over the base field. In particular,we provide such generators for all Brauer-Severi surfaces.
Badr Eslam, Bars Francesc, García Elisa Lorenzo   +2 more
doaj   +1 more source