2 papers
math.NA2025
Verified error bounds for the singular values of structured matrices with applications to computer-assisted proofs for differential equations
Takeshi Terao, Yoshitaka Watanabe, Katsuhisa Ozaki
This paper introduces two methods for verifying the singular values of the structured matrix denoted by , where is a nonsingular matrix and is a general nons…
stat.OT2010
Tests of Non-Equivalence among Absolutely Nonsingular Tensors through Geometric Invariants
Toshio Sakata, Kazumitsu Maehra, Takeshi Sasaki +3
4x4x3 absolutely nonsingular tensors are characterized by their determinant polynomial. Non-quivalence among absolutely nonsingular tensors with respect to a class of linear transf…