In this article we study the positivity of the 4-th order Paneitz operator for closed 3-manifolds. We prove that the connected sum of two such 3-manifold retains the same positivity property. We also solve the analogue of the Yamabe equation for such a manifold.
Mots-clés : Paneitz operator, conformal invariance, Sobolev inequality, connected sum
@article{COCV_2002__8__1029_0, author = {Xu, Xingwang and Yang, Paul C.}, title = {On a fourth order equation in {3-D}}, journal = {ESAIM: Control, Optimisation and Calculus of Variations}, pages = {1029--1042}, publisher = {EDP-Sciences}, volume = {8}, year = {2002}, doi = {10.1051/cocv:2002023}, mrnumber = {1932985}, zbl = {1071.53526}, language = {en}, url = {http://www.numdam.org/articles/10.1051/cocv:2002023/} }
TY - JOUR AU - Xu, Xingwang AU - Yang, Paul C. TI - On a fourth order equation in 3-D JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2002 SP - 1029 EP - 1042 VL - 8 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv:2002023/ DO - 10.1051/cocv:2002023 LA - en ID - COCV_2002__8__1029_0 ER -
Xu, Xingwang; Yang, Paul C. On a fourth order equation in 3-D. ESAIM: Control, Optimisation and Calculus of Variations, Tome 8 (2002), pp. 1029-1042. doi : 10.1051/cocv:2002023. http://www.numdam.org/articles/10.1051/cocv:2002023/
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