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Ergodic Theory and Dynamical Systems SeminarㅣZeta function of graphs of groups from cuspidal tree-lattices

기간 : 2022-11-30 ~ 2022-11-30
시간 : 16:00 ~ 17:00
개최 장소 : Online streaming (Zoom)
개요
Ergodic Theory and Dynamical Systems SeminarㅣZeta function of graphs of groups from cuspidal tree-lattices
분야Field
날짜Date 2022-11-30 ~ 2022-11-30 시간Time 16:00 ~ 17:00
장소Place Online streaming (Zoom) 초청자Host
연사Speaker Sanghoon Kwon 소속Affiliation Catholic Kwandong University
TOPIC Ergodic Theory and Dynamical Systems SeminarㅣZeta function of graphs of groups from cuspidal tree-lattices
소개 및 안내사항Content Abstract: We investigate the behavior of zeta functions of infinite graphs of groups which are quotients of cuspidal tree-lattices. This includes every non-uniform arithmetic quotients of the tree of $PGL_2$ over local fields. Several examples of zeta functions are provided. In particular, we give pairs of non-isomorphic cuspidal tree-lattices which have the same Ihara zeta function. We also discuss the spectral behavior of a sequence of graphs of groups constructed in Efrat (1990) in a zeta function point of view.

https://us02web.zoom.us/j/82314084603?pwd=emxpTXorVHRieERoRnovNTNTOTNGUT09
ID: 823 1408 4603
PW: setds22
학회명Field Ergodic Theory and Dynamical Systems SeminarㅣZeta function of graphs of groups from cuspidal tree-lattices
날짜Date 2022-11-30 ~ 2022-11-30 시간Time 16:00 ~ 17:00
장소Place Online streaming (Zoom) 초청자Host
소개 및 안내사항Content Abstract: We investigate the behavior of zeta functions of infinite graphs of groups which are quotients of cuspidal tree-lattices. This includes every non-uniform arithmetic quotients of the tree of $PGL_2$ over local fields. Several examples of zeta functions are provided. In particular, we give pairs of non-isomorphic cuspidal tree-lattices which have the same Ihara zeta function. We also discuss the spectral behavior of a sequence of graphs of groups constructed in Efrat (1990) in a zeta function point of view.

https://us02web.zoom.us/j/82314084603?pwd=emxpTXorVHRieERoRnovNTNTOTNGUT09
ID: 823 1408 4603
PW: setds22
성명Field Ergodic Theory and Dynamical Systems SeminarㅣZeta function of graphs of groups from cuspidal tree-lattices
날짜Date 2022-11-30 ~ 2022-11-30 시간Time 16:00 ~ 17:00
소속Affiliation Catholic Kwandong University 초청자Host
소개 및 안내사항Content Abstract: We investigate the behavior of zeta functions of infinite graphs of groups which are quotients of cuspidal tree-lattices. This includes every non-uniform arithmetic quotients of the tree of $PGL_2$ over local fields. Several examples of zeta functions are provided. In particular, we give pairs of non-isomorphic cuspidal tree-lattices which have the same Ihara zeta function. We also discuss the spectral behavior of a sequence of graphs of groups constructed in Efrat (1990) in a zeta function point of view.

https://us02web.zoom.us/j/82314084603?pwd=emxpTXorVHRieERoRnovNTNTOTNGUT09
ID: 823 1408 4603
PW: setds22
성명Field Ergodic Theory and Dynamical Systems SeminarㅣZeta function of graphs of groups from cuspidal tree-lattices
날짜Date 2022-11-30 ~ 2022-11-30 시간Time 16:00 ~ 17:00
호실Host 인원수Affiliation Sanghoon Kwon
사용목적Affiliation 신청방식Host Catholic Kwandong University
소개 및 안내사항Content Abstract: We investigate the behavior of zeta functions of infinite graphs of groups which are quotients of cuspidal tree-lattices. This includes every non-uniform arithmetic quotients of the tree of $PGL_2$ over local fields. Several examples of zeta functions are provided. In particular, we give pairs of non-isomorphic cuspidal tree-lattices which have the same Ihara zeta function. We also discuss the spectral behavior of a sequence of graphs of groups constructed in Efrat (1990) in a zeta function point of view.

https://us02web.zoom.us/j/82314084603?pwd=emxpTXorVHRieERoRnovNTNTOTNGUT09
ID: 823 1408 4603
PW: setds22
Admin Admin · 2022-11-16 14:30 · 조회 220
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