2 papers
math.NA2026
A noise-level-free parameter-choice rule for iterated Lavrentiev regularization of nonlinear potential monotone ill-posed problems
Ankit singh, Hemant Sharma
We consider nonlinear ill-posed operator equations in a Hilbert space, where is monotone with a Lipschitz continuous Fréchet derivative that is self-adjoint near the s…
math.OC2026
Sharp Spectral Bounds for Symmetric Positive Definite Tensors via Multiple Algebraic Invariants
Hemant Sharma, Snigdhashree Nayak, Ankit Singh
We extend the trace--determinant framework of Nayak, Sharma, and Mishra~\cite{nayak2026} for bounding the H-eigenvalues of symmetric positive definite tensors. First, we replace th…