[PDF] Top 20 vol20_pp691-716. 238KB Jun 04 2011 12:06:10 AM

... considerable attention, particularly for the case in which F = R (see [29, 17, 26, 25, 27, 13, 33, 5, 9, 22, 2, 11, 6, 7, 10, 18, 4]). The minimum rank problem over R is a sub-problem of a much more general ... Lihat dokumen lengkap

... As the main result of this paper it is proved that an interval matrix [Ac−∆, Ac+ ∆] is strongly regular if and only if the matrix inequalityMI− |I−RAc| − |R|∆≥Ihas a solution, whereM a[r] ... Lihat dokumen lengkap

... Proof. If p(z) is a polynomial preserving the set of n × n exponentially nonnegative matrices (n ≥ 3), then it follows from Theorem 5.5 that the degree of p(z) can not exceed 1. Hence, p(z) = az + b. Moreover, by Lemma ... Lihat dokumen lengkap

... Reachability matrix, Krylow matrix, cyclic matrix, nonderogatory matrix, com-panion matrix, Vandermonde matrix, Hautus test.. LetKbe a field, and A∈Kn×n,b∈Kn.[r] ... Lihat dokumen lengkap

... How-ever, for nonnegative or positive semidefinite matricesA, B∈Mn, the spectral radius is submultiplicative with respect to the Hadamard entry-wise product: ρA◦B≤ρAρB 1.1 see Theorem [r] ... Lihat dokumen lengkap

... In [3], the first author of the present paper described the structure of all isometries of the space of invertible positive operators on a Hilbert spaceH equipped with the Thompson metr[r] ... Lihat dokumen lengkap

... These characterisations may be both more relaxed for one and more restricted for the other, but they are still not sufficient in telling if a completely positive matrix is in the interio[r] ... Lihat dokumen lengkap

... 1) the formulas for even generators are proved similarly to the case of Y (A(m, n)) (see [10]); 2) the defining relations given in the Theorem 1 easily follows from those given in Theorem 2. In conclusion let us ... Lihat dokumen lengkap

... I am greatly indebted to my research advisor D. Markushevich for his encouragement and help. I would like to thank D. Korotkin for explaining me some points. I also acknowledge with pleasure the hospitality of the ... Lihat dokumen lengkap

... 3 Explicit co-adapted coupling for the twice-iterated Kolmogorov diffusion We now describe a constructive approach to successful co-adapted coupling of Brownian motion and its first tw[r] ... Lihat dokumen lengkap

... [12] S. Hern´ andez and F. Luca , Divisibility of exponents of class groups of pure cubic number fields. High primes and misdemeanours: lectures in honour of the 60th birthday of Hugh Cowie Williams, Fields Inst. ... Lihat dokumen lengkap

... Euclidean Jordan algebra, Pseudomonotone, Positive subdefinite PSBD, Copos-itive, Copositive star, Automorphism, Z-property.. AMS subject classifications.[r] ... Lihat dokumen lengkap

... to an accelerated cosmological expansion. Dark energy was proposed to explain the accelerated expansion observed in studies of distant type Ia supernova [6, 7]. There are various proposals as to the nature of dark ... 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

... We show that the spectral radius decreases monotonically with the expansion and that, for a strongly connected graph that is not a single cycle, the spectral radius decreases strictly mo[r] ... Lihat dokumen lengkap

... The condition for attainment in the upper bound in Theorem 1.5 is proved by using the nite reection group structure which is an algebraic approach via a result of Niezgoda [11].. The aut[r] ... Lihat dokumen lengkap

... The hypotheses of Theorem 1 are automatically satisfied if E is an irreducible complex rep- resentation of SO(n) or Spin(n). In this case the decomposition of W ⊗ E into irreducibles is multiplicity-free. Thus, if π : W ... Lihat dokumen lengkap

... In Fig. 1(a) we demonstrate the influence of the transition from the focusing regime (χ > 1) to the defocusing one (χ < 1) on the MI bandwidth and the MI gain peak for media with cubic-quintic nonlinearity as the ... Lihat dokumen lengkap

... Shihshu Walter Wei: My question is related to Professor Alice Chang’s question: Is there any connection between Q-curvature and p-harmonic geometry? For example, let us recall that a manifold M is p-hyperbolic, 1 ≤ p ... Lihat dokumen lengkap

... It is well known that the quantum analog of a BT is the so-called Q-operator [21], see also [9]. Examples of Q-operators for quantum integrable chains with a boundary have been constructed recently for the XXX magnet ... Lihat dokumen lengkap