The local converse theorem for $$\widetilde{{\textrm{Sp}}}_{2n}$$

Abstract In this paper, we establish the local converse theorem and the stability of local gamma factors for $$\widetilde{\textrm{Sp}}_{2n}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mover> <mml:mtext>Sp</mml:mtext> <mml:mo>~</mml:mo> </mml:mover> <mml:mrow> <mml:mn>2</mml:mn> <mml:mi>n</mml:mi> </mml:mrow> </mml:msub> </mml:math> via the precise local theta correspondence between $$\widetilde{\textrm{Sp}}_{2n}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mover> <mml:mtext>Sp</mml:mtext> <mml:mo>~</mml:mo> </mml:mover> <mml:mrow> <mml:mn>2</mml:mn> <mml:mi>n</mml:mi> </mml:mrow> </mml:msub> </mml:math> and $$\textrm{SO}_{2n+1}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mtext>SO</mml:mtext> <mml:mrow> <mml:mn>2</mml:mn> <mml:mi>n</mml:mi> <mml:mo>+</mml:mo> <mml:mn>1</mml:mn> </mml:mrow> </mml:msub> </mml:math> over local fields of characteristic not equal to 2. We also prove the rigidity theorem for irreducible generic cuspidal automorphic representations of $$\widetilde{\textrm{Sp}}_{2n}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mover> <mml:mtext>Sp</mml:mtext> <mml:mo>~</mml:mo> </mml:mover> <mml:mrow> <mml:mn>2</mml:mn> <mml:mi>n</mml:mi> </mml:mrow> </mml:msub> </mml:math> over number fields.

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Journal
manuscripta mathematica
Published
2025-12-01
DOI
https://doi.org/10.1007/s00229-025-01677-0
Primary Topic
Functional Equations Stability Results
Type
article
Field-Weighted Citation Impact
0.00

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article

The local converse theorem for $$\widetilde{{\textrm{Sp}}}_{2n}$$

Jaeho Haan
manuscripta mathematica
Functional Equations Stability Results
article

The local converse theorem for $$\widetilde{{\textrm{Sp}}}_{2n}$$

Jaeho Haan
article en

Abstract

Abstract In this paper, we establish the local converse theorem and the stability of local gamma factors for $$\widetilde{\textrm{Sp}}_{2n}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mover> <mml:mtext>Sp</mml:mtext> <mml:mo>~</mml:mo> </mml:mover> <mml:mrow> <mml:mn>2</mml:mn> <mml:mi>n</mml:mi> </mml:mrow> </mml:msub> </mml:math> via the precise local theta correspondence between $$\widetilde{\textrm{Sp}}_{2n}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mover> <mml:mtext>Sp</mml:mtext> <mml:mo>~</mml:mo> </mml:mover> <mml:mrow> <mml:mn>2</mml:mn> <mml:mi>n</mml:mi> </mml:mrow> </mml:msub> </mml:math> and $$\textrm{SO}_{2n+1}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mtext>SO</mml:mtext> <mml:mrow> <mml:mn>2</mml:mn> <mml:mi>n</mml:mi> <mml:mo>+</mml:mo> <mml:mn>1</mml:mn> </mml:mrow> </mml:msub> </mml:math> over local fields of characteristic not equal to 2. We also prove the rigidity theorem for irreducible generic cuspidal automorphic representations of $$\widetilde{\textrm{Sp}}_{2n}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msub> <mml:mover> <mml:mtext>Sp</mml:mtext> <mml:mo>~</mml:mo> </mml:mover> <mml:mrow> <mml:mn>2</mml:mn> <mml:mi>n</mml:mi> </mml:mrow> </mml:msub> </mml:math> over number fields.

manuscripta mathematicaVol. 176(6)
Korea Advanced Institute of Science and Technology (KR)
Yonsei University, Korea Advanced Institute of Science and Technology, Catholic Kwandong University
Openalex Percentile: Top 50%
Functional Equations Stability Results
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The local converse theorem for $\widetilde{{\textrm{Sp}}}_{2n}$ — Jaeho Haan · manuscripta mathematica (2025) | TGRS Research Map | TGRS