# Dirichlet series

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• ### Đề tài "Weyl group multiple Dirichlet series III: Eisenstein series and twisted unstable Ar "

Weyl group multiple Dirichlet series were associated with a root system Φ and a number ﬁeld F containing the n-th roots of unity by Brubaker, Bump, Chinta, Friedberg and Hoﬀstein [3] and Brubaker, Bump and Friedberg [4] provided n is suﬃciently large; their coeﬃcients involve n-th order Gauss sums. The case where n is small is harder, and is addressed in this paper when Φ = Ar . “Twisted” Dirichet series are considered, which contain the series of [4] as a special case.

• ### Introductory lectures on Siegel modular forms

The theory of automorphic functions in one complex variable was created during the second half of the nineteenth and the beginning of the twentieth centuries. Important contributions are due to such illustrious mathematicians as F. Klein, P. Koebe and H. Poincare. Two sources may be traced: the uniformization theory of algebraic functions, and certain topics in number theory. Automorphic functions with respect to groups with compact quotient space on the one hand and elliptic modular functions on the other are examples of these two aspects.

• ### ElectrCircuitAnalysisUsingMATLAB Phần 8

CHAPTER EIGHT FOURIER ANALYSIS In this chapter, Fourier analysis will be discussed. Topics covered are Fourier series expansion, Fourier transform, discrete Fourier transform, and fast Fourier transform. Some applications of Fourier analysis, using MATLAB, will also be discussed. 8.1 If a function FOURIER SERIES g (t ) is periodic with period Tp , i.e., (8.1) g (t ) = g (t ± Tp ) and in any finite interval g ( t ) has at most a finite number of discontinuities and a finite number of maxima and minima (Dirichlets conditions), and in addition, Tp ∫ g(t )dt ...