Following Bernicot (2012) [7], we introduce a notion of paraproducts associated to a semigroup. We do not use Fourier transform arguments and the background manifold is doubling, endowed with a sub-Laplacian structure. Our main result is a paralinearization theorem in a non-Euclidean framework, with an application to the propagation of regularity for some nonlinear PDEs.
Mots-clés : Paralinearization, Sub-Laplacian operator, Riemannian manifold
@article{AIHPC_2013__30_5_935_0, author = {Bernicot, Fr\'ed\'eric and Sire, Yannick}, title = {Propagation of low regularity for solutions of nonlinear {PDEs} on a {Riemannian} manifold with a {sub-Laplacian} structure}, journal = {Annales de l'I.H.P. Analyse non lin\'eaire}, pages = {935--958}, publisher = {Elsevier}, volume = {30}, number = {5}, year = {2013}, doi = {10.1016/j.anihpc.2012.12.005}, zbl = {06295447}, language = {en}, url = {http://www.numdam.org/articles/10.1016/j.anihpc.2012.12.005/} }
TY - JOUR AU - Bernicot, Frédéric AU - Sire, Yannick TI - Propagation of low regularity for solutions of nonlinear PDEs on a Riemannian manifold with a sub-Laplacian structure JO - Annales de l'I.H.P. Analyse non linéaire PY - 2013 SP - 935 EP - 958 VL - 30 IS - 5 PB - Elsevier UR - http://www.numdam.org/articles/10.1016/j.anihpc.2012.12.005/ DO - 10.1016/j.anihpc.2012.12.005 LA - en ID - AIHPC_2013__30_5_935_0 ER -
%0 Journal Article %A Bernicot, Frédéric %A Sire, Yannick %T Propagation of low regularity for solutions of nonlinear PDEs on a Riemannian manifold with a sub-Laplacian structure %J Annales de l'I.H.P. Analyse non linéaire %D 2013 %P 935-958 %V 30 %N 5 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.anihpc.2012.12.005/ %R 10.1016/j.anihpc.2012.12.005 %G en %F AIHPC_2013__30_5_935_0
Bernicot, Frédéric; Sire, Yannick. Propagation of low regularity for solutions of nonlinear PDEs on a Riemannian manifold with a sub-Laplacian structure. Annales de l'I.H.P. Analyse non linéaire, Tome 30 (2013) no. 5, pp. 935-958. doi : 10.1016/j.anihpc.2012.12.005. http://www.numdam.org/articles/10.1016/j.anihpc.2012.12.005/
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