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VOL. 45 | 2013 On the regularity and rigidity theorems and problems for the solutions of some class of the degenerate elliptic partial differential equations
Song-Ying Li

Editor(s) Xuan Duong, Jeff Hogan, Chris Meaney, Adam Sikora

Abstract

This is a short survey paper based on the topics of the au- thor's research along with his collaborators. Main topics presented in the paper are on the regularity and rigidity theorems for the solutions of the elliptic differential equations. In particular, the author poses several open problems in these topics for further study. The paper contains six sections. Regularity theorems for the elliptic equations of the non- divergence form with rough coefficients are presented in Section 1. In Section 2, we introduce and summarize some recent developments on the rigidity problems and theorems for the solution of some linear de- generate elliptic equations. A typical example is the rigidity problem for the solution of the Dirichlet problem of the Laplace-Beltrami op- erator on the unit ball in $C^n$ with Bergman metric. In Section 3, the rigidity theorems and problems for harmonic maps between two com- plete non-compact Kahler manifolds are discussed. In Section 4, we summarize the approximation formula for the potential function of the Kahler-Einstein metric. In Section 5, we summarize some rigidity theo- rems for the degenerate Monge-Ampère equations as well as some characterization theorems for some strictly pseudoconvex pseudo-Hermitian manifolds. Finally, in Section 6, we summarize some recent results on the bottom of the spectrum of the Laplace-Beltrami operators on Kahler manifolds.

Information

Published: 1 January 2013
First available in Project Euclid: 3 December 2014

MathSciNet: MR3424869

Rights: Copyright © 2013, Centre for Mathematics and its Applications, Mathematical Sciences Institute, The Australian National University. This book is copyright. Apart from any fair dealing for the purpose of private study, research, criticism or review as permitted under the Copyright Act, no part may be reproduced by any process without permission. Inquiries should be made to the publisher.

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