The ‘10 Martini’ Proof Connects Quantum Mechanics With Infinitely Intricate Mathematical Structures

The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number ...

Researcher improves century-old equation to predict movement of dangerous air pollutants

A new method developed at the University of Warwick offers the first simple and predictive way to calculate how irregularly ...

Physicists Found a Way to Solve Quantum Mysteries Without Supercomputers

TWA is one such semiclassical approach that dates back to the 1970s, but is limited to isolated, idealized quantum systems ...
IEEE

Physical Modeling of InP/InGaAs DHBTs With Augmented Drift-Diffusion and Boltzmann Transport Equation Solvers—Part II: Application and Results

Abstract: The overall purpose of this work (including Part I in this issue) is to demonstrate the physical modeling of InP/InGaAs double heterojunction bipolar transistors (DHBTs) using a ...
Frontiers

Revision Q-matrix in middle school chemistry: a structural equation modeling approach

The Q-matrix serves as a bridge that links items and attributes, and its accuracy affects the results of cognitive diagnosis. Inaccuracy of the Q-matrix are a common issue frequently encountered in ...
Frontiers

Nutrition knowledge, attitudes toward physical activity and malnutrition as predictors of social appearance anxiety: a structural equation modeling approach

Background: Social appearance anxiety (SAA) has emerged as a critical psychosocial concern among young adults, influenced by various behavioral and cognitive factors. Despite growing recognition of ...
ahajournals.org

Development and Validation of the American Heart Association’s PREVENT Equations

Multivariable equations are recommended by primary prevention guidelines to assess absolute risk of cardiovascular disease (CVD). However, current equations have several limitations. Therefore, we ...
IEEE

Reciprocal-Type Zeroing Neural Dynamics Model for Tackling Time-Dependent Lyapunov Matrix Equation Problems and Applications

Abstract: Time-dependent Lyapunov matrix equation (TDLME) plays a central role in the control of linear and nonlinear systems. Existing models, including the classical zeroing neural dynamics (ZNDs) ...