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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)

 

On stable quasi-harmonic maps and Liouville type theorems


Authors: Deliang Hsu and Chunqin Zhou
Journal: Proc. Amer. Math. Soc. 130 (2002), 3415-3422
MSC (2000): Primary 58G30, 35B05
Published electronically: May 8, 2002
MathSciNet review: 1913022
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Abstract: We consider Liouville type problems of stable quasi-harmonic maps, by ``stable'' we mean that the second variation of quasi-energy functional $E_q(u) $ is nonnegative, and we prove that the stable quasi-harmonic maps must be constant under some geometry conditions.


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Additional Information

Deliang Hsu
Affiliation: Department of Applied Mathematics, Shanghai Jiao Tong University, Shanghai 200240, People’s Republic of China
Email: hsudl@online.sh.cn

Chunqin Zhou
Affiliation: Department of Applied Mathematics, Shanghai Jiao Tong University, Shanghai 200240, People’s Republic of China

DOI: http://dx.doi.org/10.1090/S0002-9939-02-06499-7
PII: S 0002-9939(02)06499-7
Keywords: Quasi-harmonic map, stableness, Liouville type theorems
Received by editor(s): April 19, 2000
Received by editor(s) in revised form: June 25, 2001
Published electronically: May 8, 2002
Additional Notes: The first author was supported by NSF of Shanghai Jiao Tong University
Communicated by: Bennett Chow
Article copyright: © Copyright 2002 American Mathematical Society



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