Geodesic
Semilinear parabolic problems on manifolds and applications to the non-compact Yamabe problem
Electronic Journal of Differential Equations, Tome 2000 (2000).

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: We show that the well-known non-compact Yamabe equation (of prescribing constant positive scalar curvature) on a manifold with non-negative Ricci curvature and positive scalar curvature behaving like $c/d(x)^2$ near infinity can not be solved if the volume of geodesic balls do not increase "fast enough". Even though both existence and nonexistence results have appeared in the case when the scalar curvature is negative $somewhere([J], [AM])$, or when the scalar curvature is positive ([Ki], [Zhan5]), the current paper seems to give the first nonexistence result in the case that the scalar curvature is positive and $Ricci \ge 0$, which seems to be the fundamental part of the noncompact Yamabe problem. We also find some complete non-compact manifolds with positive scalar curvature which are conformal to complete manifolds with constant and with zero scalar curvature. This is a new phenomenon which does not happen in the compact case.
Classification : 35K55, 58J35
Keywords: semilinear parabolic equations, critical exponents, noncompact yamabe problem 
@article{EJDE_2000__2000__a217,
     author = {Zhang, Qi S.},
     title = {Semilinear parabolic problems on manifolds and applications to the non-compact {Yamabe} problem},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2000},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a217/}
}
TY  - JOUR
AU  - Zhang, Qi S.
TI  - Semilinear parabolic problems on manifolds and applications to the non-compact Yamabe problem
JO  - Electronic Journal of Differential Equations
PY  - 2000
VL  - 2000
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a217/
LA  - en
ID  - EJDE_2000__2000__a217
ER  - 
%0 Journal Article
%A Zhang, Qi S.
%T Semilinear parabolic problems on manifolds and applications to the non-compact Yamabe problem
%J Electronic Journal of Differential Equations
%D 2000
%V 2000
%I mathdoc
%U http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a217/
%G en
%F EJDE_2000__2000__a217
Zhang, Qi S. Semilinear parabolic problems on manifolds and applications to the non-compact Yamabe problem. Electronic Journal of Differential Equations, Tome 2000 (2000). http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a217/