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Tobias Harz: On smoothing of bounded plurisubharmonic functions

Datum objave: 30. 9. 2019
Seminar za kompleksno analizo
Četrtek, 03.10.2019 ob 12:00, soba 2.03 na Jadranski 21
V četrtek, 3. oktobra ob 12. uri, bo v okviru seminarja za kompleksno analizo predaval dr. Tobias Harz z Univerze v Wuppertalu, Nemčija.

Title: On smoothing of bounded plurisubharmonic functions.

Abstract: I will present the following result concerning smoothing of bounded (from above) plurisubharmonic functions on unbounded domains in C^n, n \ge 2.
There exist a pseudoconvex domain \Omega \subset C^2 and a nonempty open set U \subset \Omega such that the following assertions hold true:
1. There exists a function \varphi in PSH(\Omega) \cap C^0(\Omega) such that \varphi < 0 on \Omega and \varphi is strictly plurisubharmonic on U.
2. Every function \varphi in PSH(\Omega) \cap C^1(\Omega) such that varphi < 0 on Omega is constant on U.

Seminar bo v predavalnici 2.03 na Jadranski 21. Vljudno vabljeni!

Vodji seminarja

Franc Forstnerič in Barbara Drinovec Drnovšek