1. Analytic geometry of semisimple coalescent Frobenius structures Giordano Cotti, Davide Guzzetti. 2017. 36 pp. Published in Random Matrices: Theory and Applications 06 (2017) no.04, 1740004 DOI: 10.1142/S20103263174000442.arXiv:1712.08575, Local Moduli of Semisimple Frobenius Coalescent Structures Giordano Cotti, Boris Dubrovin, Davide Guzzetti3.arXiv:1706.04808, Isomonodromy Deformations at an Irregular Singularity with Coalescing Eigenvalues Giordano Cotti, Boris Dubrovin, Davide Guzzetti4. arXiv:1608.06868, Coalescence Phenomenon of Quantum Cohomology of Grassmannians and the Distribution of Prime Numbers. Giordano Cotti