[PDF] Top 20 vol19_pp108-120. 144KB Jun 04 2011 12:06:06 AM

... These results are applied to show that forn≥2, the minimum number of positive entries in ann×nsign pattern that allows eventual positivity isn+ 1, and to classify all 2×2 and 3×3 sign [r] ... Lihat dokumen lengkap

... gradient. It is represented as a sum of Wiener chaos of order at most two. Widely known Wiener functionals of second order are the square of the L 2 -norm on an interval of the Wiener process, L´evy’s stochastic area, ... Lihat dokumen lengkap

... By means of time rescalingT and Poisson intensity measure HTµγ, occupation time fluctuation limits for the system asT → ∞have been obtained in two special cases: Lebesgue measure γ=0, t[r] ... Lihat dokumen lengkap

... Keywords: Random Environment, Random Walk, RWRE, Transience, Zero-One Law Abstract In this note we present a simplified proof of the zero-one law by Merkl and Zerner 2001 for direction[r] ... Lihat dokumen lengkap

... The rest of the paper is organized as follows. In Section 2 some preliminary lemmas are established. Theorems 1.1 and 1.2 are proved in Section 3 and Theorem 1.3 in Section 4. In Section 5 their d- dimensional analogues, ... Lihat dokumen lengkap

... In this situation the pseudoprocess Ψnt, t > 0 reduces to the Brownian motion with variance 2t Bt, t >0 and therefore the solution of 5 coincides with the transition density of the proce[r] ... Lihat dokumen lengkap

... ✷ We now see that the flow compensator Λ of N on [0,1]2 characterizes the law of the point process in two extreme cases: the totally ordered point process all jump points are comparable[r] ... 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

... Fermat, 45 Avenue des Etats Unis, 78035 Versailles Cedex France email: [email protected] SubmittedSeptember 22, 2010, accepted in final formDecember 20, 2011 AMS 2000 Subject classifica[r] ... Lihat dokumen lengkap

... |∇ f | 2 dµ, (8) with for example φ(x) = xF (x). In general, Inequalities (7) and (8) have different features. Note that (7) is an equality for constant f if F(1) = 0. We shall say that the inequality is tight in this ... Lihat dokumen lengkap

... This result and known Perron-Frobenius theory of eventually nonnegative matrices are used to establish an algorithm to determine whether a matrix is strongly eventually nonnegative i.e.[r] ... Lihat dokumen lengkap

... It is well known that a positive matrix has the strong Perron-Frobenius property, and if Ais an irreducible nonnegative matrix, thenρA is a simple eigenvalue that has a positive eigenvec[r] ... Lihat dokumen lengkap

... P-F property); see, e.g., [2], [3], [11], [14], where these concepts are studied and used. The P-F property is historically associated with nonnegative matrices; see the seminal papers by Perron [12] and Frobenius ... Lihat dokumen lengkap

... If no loop of weight zero appears in the path, we perform surgery on it. Suppose there exist F loops used in the path (appearing with various multiplicities); we can ensure that F ≥ (N + n − 1)/n, as there exists one ... Lihat dokumen lengkap

... Applications include computing the rank ofA, nding a maximum matching inT, computing the rank and determinant of the associated neighborhood matrix, and computing the characteristic po[r] ... Lihat dokumen lengkap

... Collecting these coordinate columns, we may construct thenmi matrix nmii as Vandermonde is dened by matrix = To extend this concept further, we recall the q-adic expansion of a give[r] ... Lihat dokumen lengkap

... Field of values, numerical range, generalized numerical range, Krein space, convexity, linear preserver, indenite inner product space.. LetM nbe the algebra of nncomplex matrices.[r] ... Lihat dokumen lengkap

... [1] A. Berman, M. Catral, L.M. DeAlba, A. Elhashash, F.J. Hall, L. Hogben, I.-J. Kim, D.D. Olesky, P. Tarazaga, M.J. Tsatsomeros, and P. van den Driessche. Sign patterns that allow eventual positivity. Electronic Journal ... Lihat dokumen lengkap

... Secondary 60J60 Keywords: Optimal stopping, discounted optimal stopping, principle of smooth fit, regular diffu-sion process, killed diffudiffu-sion process, scale function, concave fun[r] ... Lihat dokumen lengkap

... In the main Theorem 4.1 we show that regularity of interval matrices can be characterized in terms of determinants Theorem 4.1, condition xxxii, matrix inverses xxx, linear equations xxv[r] ... Lihat dokumen lengkap