2020
DOI: 10.1007/s11139-019-00205-5
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Eisenstein series twisted with non-expanding cusp monodromies

Abstract: Let Γ be a geometrically finite Fuchsian group and suppose that χ : Γ → GL(V ) is a finite-dimensional representation with non-expanding cusp monodromy. We show that the parabolic Eisenstein series for Γ with twist χ converges on some half-plane. Further, we develop Fourier-type expansions for these Eisenstein series.

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Cited by 5 publications
(9 citation statements)
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“…Even though we do not need this result in this article, we record it here for purposes of reference. This result is crucial for the study of χ-twisted Eisenstein series [15]. Proof.…”
Section: Return Boundsmentioning
confidence: 90%
See 2 more Smart Citations
“…Even though we do not need this result in this article, we record it here for purposes of reference. This result is crucial for the study of χ-twisted Eisenstein series [15]. Proof.…”
Section: Return Boundsmentioning
confidence: 90%
“…Answering this question we leave for future research. The first step in this direction is already done in [15], where the convergence of χ-twisted Eisenstein series is addressed. Let X := Γ\H denote the (two-dimensional real hyperbolic good) orbifold with fundamental group Γ.…”
Section: Proposition B (Proposition 32 Below)mentioning
confidence: 99%
See 1 more Smart Citation
“…We also give an explicit bound on the weight of convergence. Both [38] and [29] contain a proof of convergence for much more general types. A bound on the weight of convergence in terms of geodesics is given in [29].…”
Section: Eisenstein Series and Poincaré Seriesmentioning
confidence: 99%
“…Müller established a trace formula for non-unitary twists [47], which includes modular forms for our notion of vra types except that Müller restricts to co-compact subgroups of SL 2 (R). Extensions of this trace formula and the associated continuous spectrum have since then been investigated in several papers [20,21,29]. Theorem 2 can be viewed as a partial description of the holomorphic discrete spectrum for vra types.…”
Section: Introductionmentioning
confidence: 99%