Li-Yau gradient estimate and entropy formulae for the CR heat equation in a closed pseudohermitian 3-manifold

Chang, Shu-ChengShu-ChengChangKuo, Ting-JungTing-JungKuoLai, Sin-HuaSin-HuaLai2012-03-092018-06-282012-03-092018-06-282011http://ntur.lib.ntu.edu.tw//handle/246246/238868en-USLi-Yau gradient estimate and entropy formulae for the CR heat equation in a closed pseudohermitian 3-manifoldjournal article10.4310/jdg/1324477409WOS:000251564200003http://ntur.lib.ntu.edu.tw/bitstream/246246/238868/-1/22.pdf