We construct solutions to the Dirichlet problem of a logarithmic diffusion equation with boundary value that could vanish somewhere. We also provide nonexistence results that show our existence theorems are, in some sense, optimal. Based on these results, we are able to construct a number of examples that complement our previous study of local behaviors of solutions to such an equation. Some preliminary results on the geometry of the vanishing set of local solutions are also reported.
机构:
Qassim Univ, Coll Sci & Arts, Dept Math, Arras, Saudi Arabia
Univ Oran 1, Lab Fundamental & Appl Math Oran LMFAO, Oran 31000, AlgeriaDicle Univ, Dept Math, Diyarbakir, Turkey
机构:
VNUHCM Univ Sci, 227 Nguyen Van Cu Str,Dist 5, Ho Chi Minh City, Vietnam
HCMC Univ Technol & Educ, 1 Vo Van Ngan Str, Ho Chi Minh City, VietnamVNUHCM Univ Sci, 227 Nguyen Van Cu Str,Dist 5, Ho Chi Minh City, Vietnam
Nhan Cong Le
Truong Xuan Le
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机构:
Univ Econ Ho Chi Minh City, 59C Nguyen Dinh Chieu Str,Dist 3, Ho Chi Minh City, VietnamVNUHCM Univ Sci, 227 Nguyen Van Cu Str,Dist 5, Ho Chi Minh City, Vietnam