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math.AG2020
Toric Kato manifolds
Nicolina Istrati, Alexandra Otiman, Massimiliano Pontecorvo +1
We introduce and study a special class of Kato manifolds, which we call toric Kato manifolds. Their construction stems from toric geometry, as their universal covers are open subse…
math.DG2020
Hyperkähler cones and instantons on quaternionic Kähler manifolds
Chandrashekar Devchand, Massimiliano Pontecorvo, Andrea Spiro
We present a novel approach to the study of Yang-Mills instantons on quaternionic Kähler manifolds, based on an extension of the harmonic space method of constructing instantons on…