Shubham dwivedi (69 risultati)

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Paperback. Condizione: New. 2019 ed. This monograph could be used for a graduate course on symplectic geometry as well as for independent study.The monograph starts with an introduction of symplectic vector spaces, followed by symplectic manifolds and then Hamiltonian group actions and the Darboux theorem. After discussing moment maps and orbits of the coadjoint action, symplectic quotients are studied. The convexity theorem and toric manifolds come next and we give a comprehensive treatment of Equivariant cohomology. The monograph also contains detailed treatment of the Duistermaat-Heckman Theorem, geometric quantization, and flat connections on 2-manifolds. Finally, there is an appendix which provides background material on Lie groups. A course on differential topology is an essential prerequisite for this course. Some of the later material will be more accessible to readers who have had a basic course on algebraic topology. For some of the later chapters, it would be helpful to have some background on representation theory and complex geometry.…

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Condizione: New. Self-contained treatment of equivariant cohomologyTreatment of moduli spaces of flat connections (a topic of considerable&nbspcurrent interest)The only background required is a course on differential manifolds (a&nbspstandard offering at the advan.

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Taschenbuch. Condizione: Neu. Hamiltonian Group Actions and Equivariant Cohomology | Shubham Dwivedi (u. a.) | Taschenbuch | SpringerBriefs in Mathematics | xi | Englisch | 2019 | Springer | EAN 9783030272265 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.…

Paperback. Condizione: New. 2019 ed. This monograph could be used for a graduate course on symplectic geometry as well as for independent study.The monograph starts with an introduction of symplectic vector spaces, followed by symplectic manifolds and then Hamiltonian group actions and the Darboux theorem. After discussing moment maps and orbits of the coadjoint action, symplectic quotients are studied. The convexity theorem and toric manifolds come next and we give a comprehensive treatment of Equivariant cohomology. The monograph also contains detailed treatment of the Duistermaat-Heckman Theorem, geometric quantization, and flat connections on 2-manifolds. Finally, there is an appendix which provides background material on Lie groups. A course on differential topology is an essential prerequisite for this course. Some of the later material will be more accessible to readers who have had a basic course on algebraic topology. For some of the later chapters, it would be helpful to have some background on representation theory and complex geometry.…

Taschenbuch. Condizione: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -El nitrógeno es un elemento crítico que tiene un papel importante en la producción de cultivos. Por lo tanto, requiere una gestión adecuada en la producción de cultivos modernos a fin de aliviar su alto nivel de volatilización y las pérdidas por lixiviación de las tierras de cultivo, en particular en los trópicos, donde las precipitaciones son torrenciales y la radiación solar es muy alta. En los últimos tiempos, las manifestaciones de los efectos nocivos de la aplicación generalizada de fertilizantes químicos son motivo de gran preocupación, en particular en las esferas de la contaminación por nitratos tóxicos de las aguas subterráneas, la eutrofización, la acidez del suelo, la escasa humedad del suelo, el escaso rendimiento, la temperatura anormalmente alta del suelo y los efectos residuales nocivos. Teniendo en cuenta los resultados del presente estudio, se sugiere que el experimento se repita durante uno o dos años más con mayores niveles de nitrógeno y zinc para aumentar la productividad de las variedades predominantes de sésamo en condiciones de secano de la condición agroclimática de chitrakoot de la región de Bundelkhand. 60 pp. Spanisch.…