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math-ph2026
Analytic Integration of the Lambert W Cosmic Fluid Model H(z) Formula
Ken Roberts, S. R. Valluri, Francisco Javier Garcia-Sánchez +1
The Lambert (LW) model for the cosmic fluid equation of state was proposed by S. Saha and K. Bamba in 2019-2020. A recent (early 2026) paper by Dubey, et al, carries out a new…
math-ph2026
Geometric Analysis of the Damped Harmonic Oscillator via the Lambert W Function
Arpan Sharma, Bhargava R. Jogi, Ken Roberts +2
The underdamped harmonic oscillator is analyzed through the complex mapping with , which transforms the dynamics into a logarithmic spiral. Within…