strictly upper triangular matrix algebra
upper triangular matrix algebra
almost triangular matrix
block-triangular matrix
Essentially triangular matrix
Formal triangular matrix ring
formal triangular matrix rings
Generalized positive upper triangular matrix
graded triangular matrix ring
infinite triangular matrix
lower triangular matrix
Maximal triangular algebra
strictly lower triangular matrix
strictly triangular matrix
strictly upper triangular matrix
triangular matrix algebras
triangular matrix category