6 citations · 8 across the 3 of their papers we have counts for
4 papers
Interpolation Polynomials and Linear Algebra
Askold Khovanskii, Sushil Singla, Aaron Tronsgard
We reconsider the theory of Lagrange interpolation polynomials with multiple interpolation points and apply it to linear algebra. For instance, be a linear operator satisfying…
Subdifferential of the joint numerical radius
Priyanka Grover, Sushil Singla
An expression for the subdifferential of the joint numerical radius is obtained. Its applications to the best approximation problems in the joint numerical radius are discussed.
Best approximations, distance formulas and orthogonality in C*-algebras
Priyanka Grover, Sushil Singla
For a unital -algebra and a subspace of , a characterization for a best approximation to an element of in is ob…
Gateaux derivative of C* norm
Sushil Singla
We find an expression for Gateaux derivative of the -algebra norm. This gives us alternative proofs or generalizations of various known results on the closely related notions…