Ballico: On the cohomological strata of families of vector bundles on algebraic surfaces

Ballico, Edoardo:
On the cohomological strata of families of vector bundles on algebraic surfaces (Stratificazioni coomologiche di famiglie di fibrati vettoriali sulle superfici algebriche)
Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni Serie 9 2 (1991), fasc. n.2, p. 155-165, (English)
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In questa Nota si studiano sottoinsiemi opportuni della stratificazione per gruppi di coomologia degli schemi di moduli di fibrati vettoriali di rango \( 2 \) sulle superfici algebriche. Inoltre si considera il seguente problema: dato un fibrato \( E \) come estensione, come riconoscere che \( E \) è isomorfo ad un altro fibrato assegnato? Si considera il caso \( E = T P^{3} (t) \) che viene applicato allo studio delle fogliazioni meromorfe con singolarità su \( P^{3} \).

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Referenze Bibliografiche