نتایج جستجو برای: logarithmic kernel
تعداد نتایج: 69050 فیلتر نتایج به سال:
Yu.A. Litvinov1,2, F. Bosch1, H. Geissel1,2, J. Kurcewicz3, N. Winckler1,2, L. Batist4, K. Beckert1, P. Beller1, D. Boutin1,2, C. Brandau1,2, L. Chen2, C. Dimopoulou1, T. Faestermann5, L. Grigorenko6, P. Kienle5,7, R. Knöbel1,2, C. Kozhuharov1, S.A. Litvinov1,2, L. Maier5, M. Mazzocco1, G. Münzenberg1, A. Musumarra8, C. Nociforo1, F. Nolden1, Z. Patyk9, M. Pfützner3, W.R. Plass2, C. Scheidenber...
In this short note, we present a refinement of the logarithmic-geometric mean inequality. As an application of our result, we obtain an operator inequality associated with geometric and logarithmic means.
In this paper, we considered a mixed integral equation (MIE) of the second kind in space L 2 ? b , × C 0 T < 1. The kernel position has singular...
Function values are, in some sense, “almost as good” general linear information for L2-approximation (optimal recovery, data assimilation) of functions from a reproducing kernel Hilbert space. This was recently proved by new upper bounds on the sampling numbers under assumption that singular embedding this space into L2 are square-summable. Here we mainly prove lower bounds. In particular behav...
We derive DGLAP and BFKL evolution equations in the N = 4 supersymmetric gauge theory in the next-to-leading approximation. The eigenvalue of the BFKL kernel in this model turns out to be an analytic function of the conformal spin |n|. Its analytic continuation to negative |n| in the leading logarithmic approximation allows us to obtain the residues of the anomalous dimensions of the twist-2 op...
We construct maps from moduli spaces of vector bundles on a Riemann surface X to opers on X, using nonabelian theta functions. Opers are generalizations of projective structures, and can be considered as differential operators, kernel functions or special bundles with connection. The matrix opers (analogues of opers for matrix differential operators) combine the structures of flat vector bundle...
We study the relationship between functional inequalities for a Markov kernel on metric space X and of transportation distances probability measures P(X). Extending results Luise Savaré Hellinger–Kantorovich contraction particular case heat semigroup an RCD(K,∞) space, we show that more generally, such are equivalent to reverse Poincaré inequalities. also adapt “dynamic dual” formulation distan...
We study relations between two fundamental constructions associated to vector bundles on a smooth complex projective curve: the theta function (a section of a line bundle on the moduli space of vector bundles) and the Szegö kernel (a section of a vector bundle on the square of the curve). Two types of relations are demonstrated. First, we establish a higher–rank version of the prime form, descr...
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