{"id":95010,"date":"2009-09-07T00:00:00","date_gmt":"2009-09-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/study-of-a-class-of-skew-products-defined-on-the-cylinder\/"},"modified":"2009-09-07T00:00:00","modified_gmt":"2009-09-07T00:00:00","slug":"study-of-a-class-of-skew-products-defined-on-the-cylinder","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/matematicas\/study-of-a-class-of-skew-products-defined-on-the-cylinder\/","title":{"rendered":"Study of a class of skew-products defined on the cylinder"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Sara Costa Romero <\/strong><\/h2>\n<p>En la d\u00e9cada de los 80 se empez\u00f3 a utilizar la denominaci\u00f3n de atractor no cat\u00f3tico extra\u00f1o. Existen diversas definiciones de este concepto y la mayor parte est\u00e1n muy relacionadas con el tipo de sistema estudiado. En la primera parte de la tesis se propone una definici\u00f3n que no depende del sistema, se hace una comparativa con las ya existentes y se muestran ejemplos, adem\u00e1s se ve que atractores en otro tipo de sistema tambi\u00e9n pueden ser denomiados de este modo.  en la segunda parte de este trabajo se estudian sistemas triangulares dos dimensionales definidos en el cilindro. Se extienden resultados conocidos de sistemas forzados cuasiperiodicamente a sistemas cuya base no es una rotaci\u00f3n irracional y la segunda componente puede tomar valores negativos. Esto \u00faltimo hace que puedan existir uno o dos atractores distintos.  el \u00faltimo capitulo da un m\u00e9todo para probar la coexistencia de una cantidad no numerable de &#8216;attracting sets&#8217; en sistemas triangulares dos dimensionales cuya base es una funci\u00f3n del c\u00edrculo de grado uno. Cada uno de estos conjuntos est\u00e1 relacionado con un irracional perteneciente al intervalo de rotaci\u00f3n de la base. \u00e9ste cap\u00edtulo es lo m\u00e1s novedoso del trabajo.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Study of a class of skew-products defined on the cylinder<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Study of a class of skew-products defined on the cylinder <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Sara Costa Romero <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 09\/07\/2009<\/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>LLuis Alseda Soler<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jaume Llibre salo <\/li>\n<li>amadeu Delshams vald\u00e9s (vocal)<\/li>\n<li>  (vocal)<\/li>\n<li>  (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Sara Costa Romero En la d\u00e9cada de los 80 se empez\u00f3 a utilizar la denominaci\u00f3n de atractor [&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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