Zobrazeno 1 - 7
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pro vyhledávání: '"Arnaudo, Paolo"'
Autor:
Aminov, Gleb, Arnaudo, Paolo
We introduce a set of special functions called multiple polyexponential integrals, defined as iterated integrals of the exponential integral $\text{Ei}(z)$. These functions arise in certain perturbative expansions of the local solutions of second-ord
Externí odkaz:
http://arxiv.org/abs/2409.06760
Autor:
Aminov, Gleb, Arnaudo, Paolo
We utilize three complementary approaches to pinpoint the exact form of scattering amplitudes in Schwarzschild spacetime. First, we solve the Regge-Wheeler equation perturbatively in the small-frequency regime. We use the obtained solutions to determ
Externí odkaz:
http://arxiv.org/abs/2409.06681
We compute new exact analytic expressions for one-loop scalar effective actions in Kerr (A)dS black hole (BH) backgrounds in four and five dimensions. These are computed by the connection coefficients of the Heun equation via a generalization of the
Externí odkaz:
http://arxiv.org/abs/2405.13830
Publikováno v:
J. High Energ. Phys. 2023, 59 (2023)
We study black hole linear perturbation theory in a four-dimensional Schwarzschild (anti) de Sitter background. When dealing with a positive cosmological constant, the corresponding spectral problem is solved systematically via the Nekrasov-Shatashvi
Externí odkaz:
http://arxiv.org/abs/2307.10141
In this note we present some results on the convergence of Nekrasov partition functions as power series in the instanton counting parameter. We focus on $U(N)$ ${\mathcal N}=2$ gauge theories in four dimensions with matter in the adjoint and in the f
Externí odkaz:
http://arxiv.org/abs/2212.06741
Publikováno v:
Annales Henri Poincaré; Apr2024, Vol. 25 Issue 4, p2389-2425, 37p
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