Singular limits for the bi-laplacian operator with exponential nonlinearity in ${\mathbb{R}}^4$

Mónica Clapp, Claudio Muñoz, Monica Musso

Let $\Omega$ be a bounded smooth domain in ${\mathbb{R}}^4$ such that for some integer $d\ge 1$ its $d$-th singular cohomology group with coefficients in some field is not zero, then pr…