3 papers
astro-ph2007
The environs of the HII region Gum31
C. Cappa, V. S. Niemela, R. Amorin +2
We analyze the distribution of the interstellar matter in the environs of the \hii region Gum 31, excited by the open cluster NGC 3324, located in the complex Carina region, with t…
astro-ph2000
A Time Varying Strong Coupling Constant as a Model of Inflationary Universe
N. Chamoun, S. J. Landau, H. Vucetich
We consider a scenario where the strong coupling constant was changing in the early universe. We attribute this change to a variation in the colour charge within a Bekenstein-like…
math.OA2000
Oblique projections and Schur complements
G. Corach, A. Maestripieri, D. Stojanoff
Let H be a Hilbert space, L(H) the algebra of all bounded linear operators on H and <, >_A : H \times H \to C the bounded sesquilinear form induced by a selfadjoint A in L(H), < ξ,…