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math-ph2026
Weighted least action principle for Maxwell equations
Jacob Rubinstein, Gershon Wolansky
The Fermat principle of least time determines the path of a single ray of light given its initial and final positions and the medium electromagnetic properties. However, a single r…
math-ph2024
Dual formulation for constraint solutions of the multi-state Choquard equation
Gershon Wolansky
The Choquard equation is a partial differential equation that has gained significant interest and attention in recent decades. It is a nonlinear equation that combines elements of…