Results 41 to 50 of about 2,948,149 (327)

Adinkras for Mathematicians [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2013
$\textit{Adinkras}$ are graphical tools created for the study of supersymmetry representations. Besides having inherent interest for physicists, the study of adinkras has already shown connections with coding theory and Clifford algebras.
Yan X. Zhang
doaj   +1 more source

Representation theory of finite W algebras

open access: yes, 1992
In this paper we study the finitely generated algebras underlying $W$ algebras. These so called 'finite $W$ algebras' are constructed as Poisson reductions of Kirillov Poisson structures on simple Lie algebras.
A. Bilal   +28 more
core   +1 more source

Representation theory of super Yang-Mills algebras [PDF]

open access: yes, 2011
We study in this article the representation theory of a family of super algebras, called the \emph{super Yang-Mills algebras}, by exploiting the Kirillov orbit method \textit{\`a la Dixmier} for nilpotent super Lie algebras.
A. Connes   +22 more
core   +2 more sources

Models of Quadratic Algebras Generated by Superintegrable Systems in 2D

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2011
In this paper, we consider operator realizations of quadratic algebras generated by second-order superintegrable systems in 2D. At least one such realization is given for each set of Stäckel equivalent systems for both degenerate and nondegenerate ...
Sarah Post
doaj   +1 more source

Representation theory for vector electromagnetic beams

open access: yes, 2008
A representation theory of finite electromagnetic beams in free space is formulated by factorizing the field vector of the plane-wave component into a $3 \times 2$ mapping matrix and a 2-component Jones-like vector.
Li, Chun-Fang
core   +1 more source

The unpredictably eruptive dynamics of spruce budworm populations in eastern Canada

open access: yesPopulation Ecology, EarlyView.
We examine historical population data for spruce budworm from several locations through the period 1930–1997, and use density‐dependent recruitment curves to test whether the pattern of population growth over time is more consistent with Royama's (1984; Ecological Monographs 54:429–462) linear R(t) model of harmonic oscillation at Green River New ...
Barry J. Cooke, Jacques Régnière
wiley   +1 more source

Ultrametric matrices and representation theory [PDF]

open access: yesJournal of Physics A: Mathematical and General, 1997
13 pages, 1 figure (in LaTeX), submitted to J. Phys.
P. Bantay, G. Zala
openaire   +4 more sources

Network topology drives population temporal variability in experimental habitat networks

open access: yesPopulation Ecology, EarlyView.
Habitat patches connected by dispersal pathways form habitat networks. We explored how network topology affects population outcomes in laboratory experiments using a model species (Daphnia carinata). Central habitat nodes in complex lattice networks exhibited lower temporal variability in population sizes, suggesting they support more stable ...
Yiwen Xu   +3 more
wiley   +1 more source

Geographic variation in walking activity in the red flour beetle Tribolium castaneum

open access: yesPopulation Ecology, EarlyView.
This study examined whether there is geographic variation in field populations, focusing on the moving activity in the red flour beetle Tribolium castaneum. Results showed significant differences in moving activity among field populations but no correlation with latitude or meteorological factors.
Kentarou Matsumura
wiley   +1 more source

Remarks on the Final-over-Final Condition: A View from Chinese Head-Final Structures

open access: yesStudies in Chinese Linguistics, 2017
The paper discusses the universality of the final-over-final condition (FOFC). It has been proposed that sentence-final particles (SFPs) in Chinese may invalidate the universality of FOFC.
Liao Wei-wen Roger
doaj   +1 more source

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