2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/83337Within a class of exact time-dependent non-singular N-logarithmic solutions (Mineev-Weinstein and Dawson, Phys. Rev. E 50, R24 (1994); Dawson and Mineev-Weinstein, Phys. Rev. E 57, 3063 (1998)), we have found solutions which describe the development and pinching off of viscous droplets in the Hele-Shaw cell in the absence of surface tension.4 pages, 1 figurePattern Formation and Solitonstext