Rigid divisors on surfaces
- Авторлар: Hochenegger A.1, Ploog D.2
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Мекемелер:
- Scuola Normale Superiore
- University of Stavanger
- Шығарылым: Том 84, № 1 (2020)
- Беттер: 163-206
- Бөлім: Articles
- URL: https://bakhtiniada.ru/1607-0046/article/view/133804
- DOI: https://doi.org/10.4213/im8721
- ID: 133804
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Аннотация
We study effective divisors $D$ on surfaces with $H^0(\mathcal{O}_D)=\Bbbk$and $H^1(\mathcal{O}_D)=H^0(\mathcal{O}_D(D))=0$. We give a numerical criterionfor such divisors, following a general investigation of negativity, rigidity and connectivityproperties. Examples include exceptional loci of rational singularities, and spherelikedivisors.
Негізгі сөздер
Авторлар туралы
Andreas Hochenegger
Scuola Normale SuperiorePhD, Researcher
David Ploog
University of StavangerDoctor of physico-mathematical sciences
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