[PDF] Top 20 sigma07-069. 238KB Jun 04 2011 12:10:05 AM

... Note that the Yangian of the basic Lie superalgebra A(m, n) was defined according to Drin- fel’d in [10] where the Poincar´e–Birkgoff–Witt theorem (PBW-theorem) and the theorem on existence of pseudotriangular ... Lihat dokumen lengkap

... In autumn of 1991 Ernie Kalnins that worked for many years on the coordinate separation of variables visited our university. Ernie wanted to see Riga, and Vadim accompanied him on that trip. Before Ernie Kalnins’s visit ... Lihat dokumen lengkap

... Global stability of dynamic systems is a vast domain in ordinary differential equations and it is one of its main topics. Many works have been done in this context, we list some of them: [3, 4, 5, 6, 7, 8]. However, ... Lihat dokumen lengkap

... Key words: symmetry adapted bases; truncated deformed oscillators; angular momentum; polar decomposition of su2; finite quantum mechanics; cyclic systems; mutually unbiased bases; Gauss[r] ... Lihat dokumen lengkap

... By employing the concept of the Veldkamp space of the generalized quadrangle of order two, we were able to recognize other, on top of those examined in [1, 2, 3], distinguished subsets of generalized Pauli operators of ... Lihat dokumen lengkap

... An impressive number of examples have by now established the fact that both partial differential and difference equations integrable through spectral methods possess the Painlev´e proper[r] ... Lihat dokumen lengkap

... It is well known that there are several equivalent ways to define the skew Schur functions, see e.g., [11, 12]. Apart from the present paper, a few different definitions of skew Schubert polynomials have been ... Lihat dokumen lengkap

... and antidots. The case of Bose–Fermi mixtures in optical lattices is investigated in detail and the existence of gap solitons is shown. In particular, in [8] it is obtained that the gap solitons can trap a number of ... Lihat dokumen lengkap

... Here we take advantage of the normalization procedure best described in Olver’s book [10]. The crucial element is the moving frame map, which provides an explicit algorithm for constructing invariant functions for ... Lihat dokumen lengkap

... The boundary tridiagonal algebra reveals algebraic properties of the asymmetric open exclusion process which are deeply related to the Askey–Wilson polynomials and allow for the exact so[r] ... Lihat dokumen lengkap

... Looking for exact solutions of the Schr¨ odinger equation with a PDM has become an interesting research topic because such solutions may provide a conceptual understanding of some physical phenomena, as well as a testing ... Lihat dokumen lengkap

... A “no-go” theorem is known in quantum mechanics stating that, in one dimension, the discrete spectrum of any conventional quantum mechanical system with quadratic kinetic term and nonsingular potential V (x) does not ... Lihat dokumen lengkap

... I am convinced that models of this kind should be of great interest in several areas of applied mathematics not only in physics (where they were conceived) but also in biology, population dynamics, evolutionary ... Lihat dokumen lengkap

... Recent advances in the quantitative description of the Teichm¨ uller spaces of hyperbolic structures were mainly based on the graph (combinatorial) description of the corresponding spaces [19, 7]. The corresponding ... Lihat dokumen lengkap

... Note that from this formula, it is not evident that C is independent of the choice of basis. We want to express the Casimir operator C acting on sections of an arbitrary homogeneous vector bundle via the fundamental ... Lihat dokumen lengkap

... Firstly, there are other conformally invariant differential operators whose symmetries give rise to invariant differential pairings. The square of the Laplacian is treated in [11] and the Dirac operator in [13]. There is ... Lihat dokumen lengkap

... The most part of known exact RHD solutions concerns plane (1 + 1 dimensional) barotropic relativistic flows. The Riemann simple waves are the example (see, e.g., [3]). In the case of the linear EOS the method of ... Lihat dokumen lengkap

... Sobolev and Hardy type inequalities play an important role in many areas of mathematics and mathematical physics. They have become standard tools in existence and regularity theories for solutions to partial differential ... Lihat dokumen lengkap

... measure of “non-symmetry” in a given direction was applied to the Taub cosmological solu- tion [10] and to study gravitational radiation. It provides a choice of gauge that makes calcu- lations simpler and was ... Lihat dokumen lengkap

... In a series of papers [9, 10], we described a direct relation between soliton solutions of integrable hierarchies and lattice gas systems (e.g., Coulomb gases on two dimensional lattices). The latter models can be ... Lihat dokumen lengkap