2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/136492We study the limit behaviour of solutions of a class of solutions of nonlinear parabolic equations with a degenerate strong absorption. We prove that two types of phenomena can occur: the pointwise singularity or the formation of razor blades (or persistent singularities).29 pagesAnalysis of PDEsClassical Analysis and ODEs35K60Singular solutions of some nonlinear parabolic equations with spatially inhomogeneous absorptiontext