Tingley's problem;
the Mazur-Ulam property;
surjective isome-tries;
uniform algebras;
maximal convex sets;
analytic functions;
UNIT SPHERES;
ISOMETRIES;
EXTENSION;
SPACE;
D O I:
10.4064/sm210703-11-9
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
We give a sufficient condition on a complex Banach space for the homo-geneous extension of every surjective isometry from the unit sphere of it onto another one to be real-linear. The condition is satisfied by uniform algebras.