[PDF] Top 20 sigma07-046. 782KB Jun 04 2011 12:10:02 AM

... Although the relation between Hamiltonian monodromy and the absence of global action- angle variables [7] was formulated in the well-known papers by Nekhoroshev [21] and Duister- maat [11] about 30 years ago the ... Lihat dokumen lengkap

... 4, 12, 14, 15, 20, 21, 22, 26] are widely studied integrable systems because they show a number of properties different from the standard Gelfand–Dikii systems such as Korteweg–de Vries ... Lihat dokumen lengkap

... Equations describing rolling motions of an axially symmetric sphere are a limiting case of the TT equations and their solutions cannot display the TT rising phenomenon since the sliding [r] ... Lihat dokumen lengkap

... setting of symplectic Lie algebroids. In this case, we would have to define a proper notion of a momentum map for this framework. This appropiate moment map would allow us to get the right submanifold in order to apply ... Lihat dokumen lengkap

... The structure of this paper is as follows. In Section 2, we state some basic facts about the normal matrix model. In Section 3, we define the generalized normal matrix model, and write down the probability measure in ... Lihat dokumen lengkap

... The Lam´e curves are hyperelliptic since one of the commuting differential operators has order 2, and will have genus n for the operator in (1). There is no ‘closed form’ for general n, but the equations have been found ... Lihat dokumen lengkap

... The gauge theory relevant to this section is N = 4 supersymmetric gauge theory in three dimensions. The case of pure N = 4 Yang–Mills was considered in [6], where the geometry of its moduli space of vacua is identified ... Lihat dokumen lengkap

... divisor of degree g) that represents a point of the Jacobi variety of the spectral curve. In the case of the Mumford system, the commuting flows are thereby mapped to linear flows on the Jacobi variety [11, 12, ... Lihat dokumen lengkap

... [4, 10, 15], the choice of discrete constraints is crucial for the behavior of the discretized nonholonomic system: the latter may inherit the main properties of its continuous counterpart, or may ... Lihat dokumen lengkap

... Now we go over to main point of our scheme: we shall apply different appropriate choices of functional dependence p = f (q). This way, from general two-parameter q,p-oscillator we can obtain various versions of ... 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

... There are some second order symmetries of the Laplacian on R n that should be regarded as trivial. If D = h∆ for some smooth function h, then ∆D = δ∆ simply by taking δf = ∆(hf ). All symmetries preserve harmonic ... 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

... The solvability of (3), under the above hypotheses, is useful in the study of some confor- mally invariant fully non-linear equations, as shown in [13]. Some remarkable geometric con- sequences of this study, given in ... Lihat dokumen lengkap

... This state is interpreted as the “physical” electron positron and it allows one to solve the following problems: i to express the “primary” charge e0 and the mass m0 of the “bare” electr[r] ... Lihat dokumen lengkap

... Double forms were introduced first by De Rham and then developed in the seventies of the last century by Thorpe [36], Kulkarni [16], Nomizu [29], Gray [12], Kowalski [15], Nasu [28] etc. Double forms and the more ... Lihat dokumen lengkap

... In this section, we show that in dimension 4 the total Q-curvature bounds from below the square of the Yamabe invariant. Using the conformal covariance of the Yamabe and the Paneitz– Branson operators together with a ... Lihat dokumen lengkap

... The derivation deduces Branson’s formula from knowledge of the correspon-ding conformally invariant operator on Euclidean space the k-th power of the Euclidean Laplacian via conjugation [r] ... Lihat dokumen lengkap

... Key words: Bach flat metrics; bubble tree structure; degeneration of metrics; conformally compact; Einstein; renormalized volume 2000 Mathematics Subject Classification: 53A30; 53C20; 3[r] ... Lihat dokumen lengkap