Anirvan M. Sengupta

Informationally complete POVM-based shadow tomography

2021 · arXiv (Cornell University)

Recently introduced shadow tomography protocols use classical shadows of quantum states to predict many target functions of an unknown quantum state. Unlike full quantum state tomography, shadow tomography does not insist on accurate recovery of …

Shadow tomography based on informationally complete positive operator-valued measure

2021 · Physical Review A

Recently introduced shadow tomography protocols use ``classical shadows'' of quantum states to predict many target functions of an unknown quantum state. Unlike full quantum state tomography, shadow tomography does not insist on accurate recovery of …

Toward a Geometrical Understanding of Self-supervised Contrastive Learning

2022 · arXiv (Cornell University)

Self-supervised learning (SSL) is currently one of the premier techniques to create data representations that are actionable for transfer learning in the absence of human annotations. Despite their success, the underlying geometry of these representations …