Study on collision phenomena of blow-up points appear in Liouville systems and those of vortices

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I studied the mean field equation of vortices with mixed intensities, which is one important example of Liouville systems and got "a mass identity" as a basic fact to classify the collisions of the blow-up points. In addition, I established technique to estimate the Morse index of the critical point about the certain functional that could not assume the Palais-Smale condition including the functionals that lead Liouville systems. Furthermore, I showed a property about the structure around the critical point called "the asymptotic non-degeneracy" about the functionals relating to the scalar Liouville systems (i.e., the Liouville type equations).