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In algebraic geometry, a Seshadri constant is an invariant of an ample line bundle L at a point P on an algebraic variety. It was introduced by Demailly to measure a certain rate of growth, of the tensor powers of L, in terms of the jets of the sections of the Lk. The object was the study of the Fujita conjecture. The name is in honour of the Indian mathematician C. S. Seshadri.

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  • Seshadri constant (en)
  • Константа Шешадри (ru)
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  • In algebraic geometry, a Seshadri constant is an invariant of an ample line bundle L at a point P on an algebraic variety. It was introduced by Demailly to measure a certain rate of growth, of the tensor powers of L, in terms of the jets of the sections of the Lk. The object was the study of the Fujita conjecture. The name is in honour of the Indian mathematician C. S. Seshadri. (en)
  • Константа Шешадри — это инвариант обильного линейного расслоения L в точке P на алгебраическом многообразии. Константу ввёл Ж.П. Димейли (Jean-Pierre Demailly) для измерения некоторой скорости роста тензорных степеней расслоения L в терминах струй расслоения Lk. Объект являлся предметом рассмотрения в . Константа названа в честь индийского математика К. С. Шешадри. (ru)
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  • In algebraic geometry, a Seshadri constant is an invariant of an ample line bundle L at a point P on an algebraic variety. It was introduced by Demailly to measure a certain rate of growth, of the tensor powers of L, in terms of the jets of the sections of the Lk. The object was the study of the Fujita conjecture. The name is in honour of the Indian mathematician C. S. Seshadri. It is known that Nagata's conjecture on algebraic curves is equivalent to the assertion that for more than nine general points, the Seshadri constants of the projective plane are maximal. There is a general conjecture for algebraic surfaces, the Nagata–Biran conjecture. (en)
  • Константа Шешадри — это инвариант обильного линейного расслоения L в точке P на алгебраическом многообразии. Константу ввёл Ж.П. Димейли (Jean-Pierre Demailly) для измерения некоторой скорости роста тензорных степеней расслоения L в терминах струй расслоения Lk. Объект являлся предметом рассмотрения в . Константа названа в честь индийского математика К. С. Шешадри. Известно, что гипотеза Нагаты об алгебраических кривых эквивалентна утверждению, что для более чем девяти точек в общем положении константы Шешадри проективной плоскости максимальны. Имеется общая гипотеза для алгебраических поверхностей, . (ru)
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