A programmable silicon photonic circuit emulated a two-band non-Hermitian system on a Klein bottle and measured a Fermi arc ...
The NumPy 2.5.0 release notes state that the return values of eig and eigvals will always be complex, and that ...
Researchers utilize classical shadows and quantum subspace expansion to analyze a complex spin model, reducing measurement ...
In quantum mechanics, observables such as energy and momentum are represented by operators.In finite-dimensional matrix ...
A team of physicists has derived rigorous universal bounds and exact scaling laws for the maximal decay rate of large open ...
No abstract is available for this document. Bellman, Richard Ernest and Ky Fan, On Systems of Linear Inequalities in Hermitian Matrix Variables. Santa Monica, CA ...
In quantum mechanics, the geometry of quantum states has emerged as a powerful framework for understanding phenomena ranging from electrical conductivity to superconductivity. One research direction ...
Abstract: Independence of the normalized likelihood functions (likelihood ratios, LR) with the argument being the true Toeplitz covariance matrix creates a statistical lower bound for the optimized ...
In their April 3, 2025, publication titled Certified Model Order Reduction for parametric Hermitian eigenproblems, researchers Mattia Manucci, Benjamin Stamm, and Zhuoyao Zeng present a novel approach ...
A research team led by The Hong Kong University of Science and Technology (HKUST) has achieved a groundbreaking quantum simulation of the non-Hermitian skin effect in two dimensions using ultracold ...
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