Fujita hypothesis and birational models in algebraic geometry

dc.contributor.authorKunanbaev A.
dc.date.accessioned2025-06-12T04:18:45Z
dc.date.available2025-06-12T04:18:45Z
dc.date.issued2019
dc.description.abstractThe aim of mv research is to study Fujita hypotheses. which states that if is a smooth projektive varvety of dimension n then: (i) Assume that XV. is.a minimal (i.c.. Ay is nef) varvety of general type.(ie., Ky is big == NY > 9). Then the linear system |nvAx| is free for m > n+ 2; (ii) Let A be an ample invertible sheaf on X. Then the linear system |mJvy + (n +1) Al is free. and JnKy + (n+ 2) Al is verv ample on Y, For surfaces Fujita hypotheses was proved by Igor Reider. In my work I generalize result for X not be a sinooth projektive varyety but F-rational. So if Fujita hypotheses is true for a smooth projektive varyety then it is true for more general case F-rational. I use methods of commutative algebra and definition of tight closure.
dc.identifier.citationKunanbaev A / Fujita hypothesis and birational models in algebraic geometry / 6M060100 - Department of Mathematics and Natural sciences / 2019
dc.identifier.urihttps://repository.sdu.edu.kz/handle/123456789/1755
dc.language.isoen
dc.publisherFaculty of Engineering and Natural Sciences
dc.subjectFujita hypothesis
dc.subjectalgebra
dc.subjectgeometry
dc.titleFujita hypothesis and birational models in algebraic geometry
dc.typeThesis

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