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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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