Avraham A. Melkman, Charles A. Micchelli
Illinois Journal of Mathematics
In this paper we obtain the exact value of the L1n-width, both in the sense of Kolmogorov and Gel’fand, and characterize optimal subspaces for the set under certain total positivity assumptions on A matrix analogue is also described. © 1977, University of California, Berkeley. All Rights Reserved.
Avraham A. Melkman, Charles A. Micchelli
Illinois Journal of Mathematics
Charles A. Micchelli, Yuesheng Xu
ACHA
Wolfgang Dahmen, Charles A. Micchelli
Bulletin of the American Mathematical Society
Dahmen Wolfgang, Charles A. Micchelli
Acta Mathematicae Applicatae Sinica