qsms.math.snu.ac.kr - [QSMS-BK21 Symplectic Seminar 28 Apr] PGL(2,Q_p)-ORBIT CLOSURES ON A p-ADIC HOMOGENEOUS SPACE OF INFINITE VOLUME

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일정시작	2023-04-28
배경색상	#7164D0

일정시작

2023-04-28

배경색상

#7164D0

Date: 2023-04-28 (Fri) 13:00 ~ 18:00
Place: 27-325 (SNU)
Speaker : 정진호, 김성호 (SNU)
Title: PGL(2,Q_p)-ORBIT CLOSURES ON A p-ADIC HOMOGENEOUS SPACE OF INFINITE VOLUME
Abstract : Let K be an unramified quadratic extension of Q_p for a fixed p > 2. Projective general linear groups G = PGL(2,K) and H = PGL(2,Q_p) act transitively on Bruhat-Tits trees T_G and T_H , respectively. We showed the rigidity of H-orbits in ΓG when Γ is a Schottky subgroup of G which gives a graph ΓT_G infinite volume under certain additional conditions.

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[SNU Number Theory Seminar 2022-09-16] Height-moduli and lower order terms