In this work, we study the problem of obtaining invariant distributions of quantum Markov chains (QMCs), which are given by positive maps acting on appropriate trace-class spaces. We focus on discrete ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Ministry of Education (MOE) Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China ...

Senior iOS Engineer with over 12 years of experience developing scalable, user-focused apps using Swift, SwiftUI, UIKit, and more. Senior iOS Engineer with over 12 years of experience developing ...

Abstract: Ultrasound method is widely used in liquid-solid two-phase system for flow parameter measurement. Ultrasound attenuation characteristic of the two-phase mixed system has a strong ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

While varied groupings have been considered as a solution in recent years, homogenous classrooms remain the norm. Most commonly, placing extraordinarily bright children or those with unique learning ...

92% of the Italian population considers themselves to be ethnically Italian, and this identity holds a lot of significance for them. The interesting element about this region is that after the fall of ...