Massey products and Fujita decomposition over higher dimensional base

• Rizzi, Luca ^[1]
  1. [1] Università di Udine

     Università di Udine

     Udine, Italia

     
• Localización: Collectanea mathematica, ISSN 0010-0757, Vol. 75, Fasc. 2, 2024, págs. 511-534
• Idioma: inglés
• DOI: 10.1007/s13348-023-00397-6
• Texto completo no disponible (Saber más ...)
• Resumen

  • Let be a semistable fibration between smooth complex varieties of dimension n and m. This paper contains an analysis of the local systems of de Rham closed relative one forms and top forms on the fibers. In particular the latter recovers the local system of the second Fujita decomposition of over higher dimensional base. The so called theory of Massey products allows, under natural Castelnuovo-type hypothesis, to study the finiteness of the associated monodromy representations. Motivated by this result, we also make precise the close relation between Massey products and Castelnuovo-de Franchis type theorems.

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