Alaminos, J.; Brešar, M.; Extremera, J.; Villena, A. R. Maps preserving zero products. (English) Zbl 1168.47029 Stud. Math. 193, No. 2, 131-159 (2009). MSC: 47B47 47B48 43A20 43A22 46L05 × Cite Format Result Cite Review PDF Full Text: DOI
Alaminos, J.; Extremera, J.; Villena, A. R. Uniqueness of rotation invariant norms. (English) Zbl 1180.46040 Banach J. Math. Anal. 3, No. 1, 85-98 (2009). Reviewer: Anthony To-Ming Lau (Alberta) MSC: 46H40 43A15 43A20 × Cite Format Result Cite Review PDF Full Text: DOI EuDML EMIS