Results 51 to 60 of about 12,511,421 (301)

Pcf and abelian groups

open access: yesform, 2013
Abstract. We deal with some pcf (possible cofinality theory) investigations mostly motivated by questions in abelian group theory. We concentrate on applications to test problems but we expect the combinatorics will have reasonably wide applications.
openaire   +3 more sources

A note on abelian groups [PDF]

open access: yesProceedings of the American Mathematical Society, 1953
Vijayaraghavan and Chowla [2] have proved the following result. If n=2 or has no primitive root, then there exist suitable reduced residue systems rl, r2, , * * , rh and sl, S2 , . * Sh, where h= 4(n), such that risi, r2s2, * , rhsh is also a complete residue system (mod n).
openaire   +2 more sources

Graphically abelian groups

open access: yesDiscrete Mathematics, 2010
AbstractWe define a group G to be graphically abelian if the function g↦g−1 induces an automorphism of every Cayley graph of G. We give equivalent characterizations of graphically abelian groups, note features of the adjacency matrices for Cayley graphs of graphically abelian groups, and show that a non-abelian group G is graphically abelian if and ...
Kathryn Weld, Richard Goldstone
openaire   +2 more sources

The Quest for the Quark‐Gluon Plasma From the Perspective of Dynamical Models of Relativistic Heavy‐Ion Collisions

open access: yesAstronomische Nachrichten, EarlyView.
ABSTRACT The physics of heavy‐ion collisions is one of the most exciting and challenging directions of science for the last four decades. On the theoretical side one deals with a non‐abelian field theory, while on the experimental side today's largest accelerators are needed to enable these studies.
Marcus Bleicher, Elena Bratkovskaya
wiley   +1 more source

Boundary conditions and universal finite‐size scaling for the hierarchical |φ|4$|\varphi |^4$ model in dimensions 4 and higher

open access: yesCommunications on Pure and Applied Mathematics, EarlyView.
Abstract We analyse and clarify the finite‐size scaling of the weakly‐coupled hierarchical n$n$‐component |φ|4$|\varphi |^4$ model for all integers n≥1$n \ge 1$ in all dimensions d≥4$d\ge 4$, for both free and periodic boundary conditions. For d>4$d>4$, we prove that for a volume of size Rd$R^{d}$ with periodic boundary conditions the infinite‐volume ...
Emmanuel Michta   +2 more
wiley   +1 more source

Supermembrane with Non-Abelilan Gauging and Chern-Simons Quantization

open access: yes, 2003
We present non-Abelian gaugings of supermembrane for general isometries for compactifications from eleven-dimensions, starting with Abelian case as a guide.
Aganagic   +18 more
core   +1 more source

Abelian Galois groups [PDF]

open access: yesProceedings of the American Mathematical Society, 1959
The question of the existence of noninner, nonouter Abelian Galois groups of noncommutative rings seems not to have been considered previously. Amitsur [1 ] may have come closest when he constructed noninner, nonouter cyclic division ring extensions.
openaire   +2 more sources

A Characterization of Abelian Groups [PDF]

open access: yesProceedings of the American Mathematical Society, 1993
Let G G be a group and let k > 2 k > 2 be an integer such that ( k 3 − k ) > | G | / 2 ({k^3} - k) > |G|
openaire   +2 more sources

Studies on the Stability and Microbial Biotransformation of Five Deschloroketamine Derivatives as Prerequisite for Wastewater‐Based Epidemiology Screening

open access: yesDrug Testing and Analysis, EarlyView.
Microbial biotransformation and stability of deschloroketamine derivatives and their metabolites in WW by incubating parent compounds, rat urine, or rat feces showed that deschloroketamine parents and Phase I metabolite were still detectable and that Phase II metabolites decreased in peak areas.
Fabian Frankenfeld   +2 more
wiley   +1 more source

Harmonic Synthesis on Group Extensions

open access: yesMathematics
Harmonic synthesis describes translation invariant linear spaces of continuous complex valued functions on locally compact abelian groups. The basic result due to L.
László Székelyhidi
doaj   +1 more source

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