We study the properties of the Δ isobar in the symmetric and asymmetric nuclear matter using the QCD sum rules approach based on the energy dispersion relation. Allowing for different continuum thresholds for the polarization ...

Let u be a weak solution of (-Δ)mu = f with Dirichlet boundary conditions in a smooth bounded domain Ω ⊂ Rn. Then, the main goal of this paper is to prove the following a priori estimate: {double pipe}u{double pipe}Wω ...

The knowledge of the acid-base equilibria in water-solvent mixtures of both common buffers and analytes is necessary in order to predict their retention as function of pH, solvent composition and temperature. This paper ...

RESUMEN: La investigación de vanguardia ofrece soluciones a problemas reales que ayuden a la evolución de la sociedad, por lo regular para resolver dificultades se consideran un conjunto de variables interrelacionadas ...

We study the onset of the irreversible magnetic behavior of vortex matter in micron-sized Bi_2Sr_2CaCu_2O_{8+delta} single crystals by using silicon micro-oscillators. We find an irreversibility line appearing well below ...

The effects of localized spin fluctuations on the critical temperature Tc and the specific-heat jump Δ C (Tc) of dilute superconducting alloys is investigated, both in the weak and strong magnetic limits. In the weak ...

We consider three systems of Laguerre functions and their corresponding heat diffusion semigroups. For the associate maximal operators, we give necessary and sufficient conditions in order to obtain strong type, weak type ...

The mean-square radii of the triatomic molecules 4He 3, 4He 2- 6Li, 4He 2- 7Li, and 4He 2- 23Na were calculated using a renormalized three-body model with a pairwise Dirac-δ interaction, having as physical inputs only the ...