Nef divisors in codimension one on the moduli space of stable curves
| dc.creator | Moriwaki, Atsushi | |
| dc.date | 2000-05-02 | |
| dc.date | 2000-09-06 | |
| dc.date.accessioned | 2026-07-07T04:34:56Z | |
| dc.date.available | 2026-07-07T04:34:56Z | |
| dc.description | Let M_g be the moduli space of smooth curves of genus g >= 3, and \bar{M}_g the Deligne-Mumford compactification in terms of stable curves. Let \bar{M}_g^{[1]} be an open set of \bar{M}_g consisting of stable curves of genus g with one node at most. In this paper, we determine the necessary and sufficient condition to guarantee that a Q-divisor D on \bar{M}_g is nef over \bar{M}_g^{[1]}, that is, (D . C) >= 0 for all irreducible curves C on \bar{M}_g with C \cap \bar{M}_g^{[1]} \not= \emptyset. | |
| dc.description | 30 pages, simplify the main result, add questions | |
| dc.identifier | https://arxiv.org/abs/math/0005012 | |
| dc.identifier | http://arxiv.org/abs/math/0005012 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/59102 | |
| dc.subject | Algebraic Geometry | |
| dc.title | Nef divisors in codimension one on the moduli space of stable curves | |
| dc.type | text |