6,043 research outputs found
Forms on Vector Bundles Over Compact Real Hyperbolic Manifolds
We study gauge theories based on abelian forms on real compact
hyperbolic manifolds. The tensor kernel trace formula and the spectral
functions associated with free generalized gauge fields are analyzed.Comment: Int. Journ. Modern Physics A, vol. 18 (2003), 2041-205
On Useful Conformal Tranformations In General Relativity
Local conformal transformations are known as a useful tool in various
applications of the gravitational theory, especially in cosmology. We describe
some new aspects of these transformations, in particular using them for
derivation of Einstein equations for the cosmological and Schwarzschild
metrics. Furthermore, the conformal transformation is applied for the
dimensional reduction of the Gauss-Bonnet topological invariant in to the
spaces of lower dimensions.Comment: 17 pages, LaTeX. The paper is intended mainly for pedagogical
purposes and represents a collection of exercises concerning local conformal
transformations and dimensional reduction. To be published in "Gravitation
and Cosmology
Phase diagram of a random-anisotropy mixed-spin Ising model
We investigate the phase diagram of a mixed spin-1/2--spin-1 Ising system in
the presence of quenched disordered anisotropy. We carry out a mean-field and a
standard self-consistent Bethe--Peierls calculation. Depending on the amount of
disorder, there appear novel transition lines and multicritical points. Also,
we report some connections with a percolation problem and an exact result in
one dimension.Comment: 8 pages, 4 figures, accepted for publication in Physical Review
Processo agroindustrial: obtenção de embutido fermentado tipo salame de carne de caprinos.
Preparação da matéria-prima; Preparação da massa; Embutimento; Maturação e secagem; Embalagem/estocagem.bitstream/CNPAT-2010/11961/1/Ct-074.pd
Utilização da técnica de espectrofotometria do infravermelho próximo (NIR) para análise discriminante dos ácidos graxos oléico e linoléico de genótipos de girassol.
bitstream/item/71985/1/ID-30946.pd
Imobilização de tanase em suportes vÃtreos utilizando y-aminopropiltrietoxilano (ATPS).
Imobilização de tanase em suportes vÃtreos utilizando y-aminopropiltrietoxilano (ATPS).bitstream/CNPAT-2010/9614/1/Ct-109.pd
Consideraciones sobre ensilajes de sorgo.
Cultivares y caracterÃsticas agronomicas; Produccion de materia seca; Taninos; Digestión de los taninos en ruminantes; Tenores de taninos en los ensilajes de sorgo; Ensilajes de sorgo; Calidad del ensilaje; Valor nutritivo; Consumo, digestibilidad y producción animal; Ensilaje de sorgo y ensilaje de maÃz; Consideraciones finales
Método para determinação da atividade de tanase em derivados imobilizados.
Relatar um método para a determinação da atividade de tanase imobilizada covaletemente a suportes inertes insolúveis, adaptado a partir do equivalente para enzima livre.bitstream/CNPAT-2010/9615/1/Ct-110.pd
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