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# Questions

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### What is the definition of exceptional divisor？

apr 5 12 at 19:07 Karl Schwede 11.3k11435

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### Can a birational morphism between smooth varieties be dominated by smooth blow ups sequences

sep 4 at 19:44 Karl Schwede 11.3k11435

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### Preliminaries for Mumford’s Abelian Varieties

jun 6 11 at 12:06 Charles Matthews 9,7201239

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### Lemma of Hironaka in Hartshorne III.9.12

feb 11 12 at 7:16 MZWang 4034

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### Characterization of big divisors

apr 27 12 at 17:27 MZWang 4034

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### Stalks of structure sheaf of fibre product？

jul 18 11 at 7:35 Martin Brandenburg 29.1k245129

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### The restriction of a global section which is not a zero divisor is still an non-zero divisor?

aug 29 11 at 12:13 MZWang 4034

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### An irreducible germ of holomorphic function at origin is still irreducible around the origin?

sep 16 11 at 12:57 Ariyan Javanpeykar 4,032528

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### Does there exist a non effective divisor with positive degree?

oct 25 at 5:32 Sándor Kovács 23.7k25273

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