摘要
The use of finite element method leads to replacing the initial domain by an approaching domain. Under some appropriate assumptions, we prove that there exists a W1,+∞-diffeomorphism from the original domain to the approaching domain.
The use of finite element method leads to replacing the initial domain by an approaching domain. Under some appropriate assumptions, we prove that there exists a W1,+∞-diffeomorphism from the original domain to the approaching domain.
基金
Partially supported by Professor Xu Yuesheng and his program "One hundred distinguished Young Scientists"
Partially supported by "Programme Sino-Francais de Recherches Advancees(PRA).