Let Ω be a domain in C^(n) and let Y be a function space on Ω.If a∈Ω and g∈Y with g(a)=0,do there exist functions f_(1),f_(2),…,f_(n)∈Y such that g(z)=∑_(l=1)^(n)(z_(l)−a_(l))f_(l)(z)for all z=(z_(1),z_(2),…,...Let Ω be a domain in C^(n) and let Y be a function space on Ω.If a∈Ω and g∈Y with g(a)=0,do there exist functions f_(1),f_(2),…,f_(n)∈Y such that g(z)=∑_(l=1)^(n)(z_(l)−a_(l))f_(l)(z)for all z=(z_(1),z_(2),…,z_(n))∈Ω?This is Gleason’s problem.In this paper,we prove that Gleason’s problem is solvable on the boundary general function space F^(p,q,s)(B)in the unit ball B of C^(n).展开更多
Under the mild conditions, it is proved that the convex su rf ace is global C 1,1 , with the given Gaussian curvature 0≤K∈C ∞ 0 a nd the given boundary curve. Examples are given to show that the regularity is o pti...Under the mild conditions, it is proved that the convex su rf ace is global C 1,1 , with the given Gaussian curvature 0≤K∈C ∞ 0 a nd the given boundary curve. Examples are given to show that the regularity is o ptimal.展开更多
基金supported by the National Natural Science Foundation of China(11942109)the Natural Science Foundation of Hunan Province(2022JJ30369).
文摘Let Ω be a domain in C^(n) and let Y be a function space on Ω.If a∈Ω and g∈Y with g(a)=0,do there exist functions f_(1),f_(2),…,f_(n)∈Y such that g(z)=∑_(l=1)^(n)(z_(l)−a_(l))f_(l)(z)for all z=(z_(1),z_(2),…,z_(n))∈Ω?This is Gleason’s problem.In this paper,we prove that Gleason’s problem is solvable on the boundary general function space F^(p,q,s)(B)in the unit ball B of C^(n).
文摘Under the mild conditions, it is proved that the convex su rf ace is global C 1,1 , with the given Gaussian curvature 0≤K∈C ∞ 0 a nd the given boundary curve. Examples are given to show that the regularity is o ptimal.