3 papers
quant-ph2026
Tomography by Design: An Algebraic Approach to Low-Rank Quantum States
Shakir Showkat Sofi, Charlotte Vermeylen, Lieven De Lathauwer
We present an algebraic algorithm for quantum state tomography that leverages measurements of certain observables to estimate structured entries of the underlying density matrix. U…
math.NA2026
Tensor Train Completion from Fiberwise Observations Along a Single Mode
Shakir Showkat Sofi, Lieven De Lathauwer
Tensor completion is an extension of matrix completion aimed at recovering a multiway data tensor by leveraging a given subset of its entries (observations) and the pattern of obse…
quant-ph2025
Tensor Train Quantum State Tomography using Compressed Sensing
Shakir Showkat Sofi, Charlotte Vermeylen, Lieven De Lathauwer
Quantum state tomography (QST) is a fundamental technique for estimating the state of a quantum system from measured data and plays a crucial role in evaluating the performance of…