On the constants in some inequalities for the Sobolev norms and pointwise product

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/60421We consider the Sobolev norms of the pointwise product of two functions, and estimate from above and below the constants appearing in two related inequalities.to appear in the Journal of Inequalities and ApplicationsFunctional AnalysisMathematical PhysicsOn the constants in some inequalities for the Sobolev norms and pointwise producttext