{"id":109870,"date":"2011-05-07T00:00:00","date_gmt":"2011-05-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/kappa-mu-espacios-de-curvatura-phi-seccional-constante-generalizados\/"},"modified":"2011-05-07T00:00:00","modified_gmt":"2011-05-07T00:00:00","slug":"kappa-mu-espacios-de-curvatura-phi-seccional-constante-generalizados","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/geometria-de-riemann\/kappa-mu-espacios-de-curvatura-phi-seccional-constante-generalizados\/","title":{"rendered":"(kappa, mu)-espacios de curvatura  phi-seccional constante generalizados"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ver\u00f3nica Mart\u00edn Molina <\/strong><\/h2>\n<p>A lo largo de los a\u00f1os, numerosos autores han estudiado la forma del tensor de curvatura de una variedad riemanniana para intentar clasificarla. Buena parte de los trabajos que han aparecido sobre la materia son los que se centran en ver qu\u00e9 ocurre cuando la curvatura seccional, holomorfa o  phi-seccional de la variedad es constante y consisten en generalizar su tensor de curvatura. As\u00ed aparecieron en geometr\u00eda compleja los espacios de curvatura holomorfa constante generalizados a partir de las variedades kaehlerianas con curvatura holomorfa constante y en geometr\u00eda de contacto los espacios de curvatura phi-seccional constante generalizados a partir de las variedades sasakianas con curvatura phi-seccional constante. en la presente memoria, daremos un paso m\u00e1s all\u00e1 y analizaremos qu\u00e9 ocurre al generalizar el tensor de curvatura de un (k, \u00c2\u00b5) -espacio o un (k, \u00c2\u00b5, n) -espacio cuya curvatura phi-seccional en un punto no dependa de la elecci\u00f3n de la phi-secci\u00f3n en dicho punto (en la literatura cient\u00edca, suele decirse en ingl\u00e9s que sea \u00abpointwise constant\u00bb). Defiremos as\u00ed los (k, \u00c2\u00b5) -espacios de curvatura phi-seccional constante generalizados y los (k,\u00c2\u00b5,n)-espacios de curvatura phi-seccional constante generalizados, estudiando c\u00f3mo se comportan cuando tienen estructura de contacto m\u00e9trica, casi-cosimpl\u00e9ctica o casi-kenmotsu. Daremos resultados de obstrucci\u00f3n o ejemplos en todos los casos posibles.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>(kappa, mu)-espacios de curvatura  phi-seccional constante generalizados<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 (kappa, mu)-espacios de curvatura  phi-seccional constante generalizados <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ver\u00f3nica Mart\u00edn Molina <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Sevilla<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 05\/07\/2011<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Alfonso Carriazo Rubio<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: alfonso Romero sarabia <\/li>\n<li>themis Koufogiorgos (vocal)<\/li>\n<li>Jos\u00e9 Luis Cabrerizo jara\u00edz (vocal)<\/li>\n<li>Luis Jos\u00e9 Alias linares (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ver\u00f3nica Mart\u00edn Molina A lo largo de los a\u00f1os, numerosos autores han estudiado la forma del tensor [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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