2 papers
quant-ph2026
Introduction to Quantum Entanglement Geometry
Kazuki Ikeda
This article is an expository account aimed at viewing entanglement in finite-dimensional quantum many-body systems as a phenomenon of global geometry. While the mathematics of gen…
math-ph2025
Quantum Entanglement as a Cohomological Obstruction
Kazuki Ikeda
We recast quantum entanglement as a cohomological obstruction to reconstructing a global quantum state from locally compatible information. We address this by considering presheaf…