{"id":138712,"date":"2026-01-12T17:37:55","date_gmt":"2026-01-12T17:37:55","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/variedades-casi-hermiticas-indefinidas\/"},"modified":"2026-01-12T17:37:55","modified_gmt":"2026-01-12T17:37:55","slug":"variedades-casi-hermiticas-indefinidas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/matematicas\/variedades-casi-hermiticas-indefinidas\/","title":{"rendered":"Variedades casi-hermiticas indefinidas."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Eduardo Garcia Rio <\/strong><\/h2>\n<p>En esta memoria se realiza un estudio de la geometria de variedades casi-hermiticas indefinidas, abordandose dos problemas claramente diferenciados con el caso riemanniano: la existencia de tales estructuras y un estudio de su curvatura. Se relaciona el problema de la existencia de metricas semi-riemannianas \u00abadaptadas\u00bb a una estructura casi-compleja con la existencia de estructuras casi-cuaternionicas de segunda clase y casi-producto complejas, mostrando relaciones a nivel topologico y geometrico entre los elementos de la estructura.  la segunda parte de la memoria se dedica al estudio de la curvatura seccional holomorfa, principalmente en los aspectos relativos a su acotacion y a la restriccion del tensor curvatura a secciones degeneradas.  por ultimo se hace un estudio de las variedades kahler indefinidas y se dan tres nuevas caracterizaciones de los espacios de curvatura seccional holomorfa constante.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Variedades casi-hermiticas indefinidas.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Variedades casi-hermiticas indefinidas. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Eduardo Garcia Rio <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1992<\/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>Agustin Bonome Dopico<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Cordero Rego Luis A. <\/li>\n<li>Angel Montesinos Amilibia (vocal)<\/li>\n<li> Fernandez Rodriguez Mar\u00eda  Luisa (vocal)<\/li>\n<li>Carles Curras Bosch (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Eduardo Garcia Rio En esta memoria se realiza un estudio de la geometria de variedades casi-hermiticas indefinidas, [&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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