Skip to main content
MathOverflow
user103308's user avatar
user103308's user avatar
user103308's user avatar
user103308
  • Member for 7 years, 11 months
  • Last seen more than 7 years ago
Profile Activity

10 Actions

All Accepts Posts Badges Comments Revisions Reviews Suggestions
accepted
Orthogonality of positive (semi-)definite matrices
asked
Orthogonality of positive (semi-)definite matrices
awarded
 Scholar
accepted
tighter bound on the sum of sub-matrices
comment
tighter bound on the sum of sub-matrices
each $v_i$ is a scalar, so $\sum_i A_i v_i$ is a weighted sum of matrices $A_1,\ldots, A_n$.
comment
tighter bound on the sum of sub-matrices
no, each $A_i$ can be a matrix, not a column vector.
awarded
 Editor
revised
tighter bound on the sum of sub-matrices
deleted 60 characters in body
awarded
 Student
asked
tighter bound on the sum of sub-matrices