Results 11 to 20 of about 12,918,846 (54)
Downflowing umbral flashes as evidence of standing waves in sunspot umbrae
Context. Umbral flashes are sudden brightenings commonly visible in the core of some chromospheric lines. Theoretical and numerical modeling suggests that they are produced by the propagation of shock waves.
T. Felipe +11 more
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Generalised umbral moonshine [PDF]
Umbral moonshine describes an unexpected relation between 23 finite groups arising from lattice symmetries and special mock modular forms. It includes the Mathieu moonshine as a special case and can itself be viewed as an example of the more general ...
Cheng, M.C.N. +2 more
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Non-linear sigma models on K3 and Umbral Moonshine [PDF]
In this thesis we study some aspects of non-linear sigma models on K3 surfaces, a particular case of N=(4,4) superconformal field theories which are widely studied in the context of string compactification.
Sgroi, Gabriele
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Book review: J. Ignacio Díez, Ficciones y confesiones: Francisco Umbral (y otros escritores contemporáneos). Madrid, Dalya, 2019, ISBN:9788494695032, 272 pp.Reseña de: J.
Ferri Coll, José María
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A vueltas con el umbral de inicio de la vejez [PDF]
La redefinición del umbral de inicio de la vejez está adquiriendo protagonismo por sus implicaciones en el diseño de políticas públicas y en la propia percepción social de la vejez.
Ayala García, Alba +2 more
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Umbral, F. (1998). Adivinada Pilar. Nosferatu. Revista de cine. (28):80-81.
Umbral, Francisco
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Umbral chromospheric fine structure and umbral flashes modelled as one: The corrugated umbra
Context. The chromosphere of the umbra of sunspots features an assortment of dynamic fine structures that are poorly understood and often studied separately. Small-scale umbral brightenings (SSUBs), umbral microjets, spikes or short dynamic fibrils (SDFs)
Rouppe van der Voort, Luc +7 more
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Prosa y verso en Umbral: entre la dispersión y el cancionero de Mis paraísos artificiales [PDF]
In contrast with the whole classical tradition that abhors the mixture of prose and verse, Umbral mixes poems (sometimes in verse and sometimes in prose) in his work.
Díez, J. Ignacio
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Reseña de la publicación de Francisco Umbral: Mis queridos políticos. Retratos poéticos y antipoéticos, edición de Guillermo Laín Corona. Editorial Renacimiento, Los Cuatro Vientos, 2017.
García Candeira, Margarita
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Umbral durante la "Santa Transición": su "funesta manía de leer".
Francisco Umbral publicó 388 colaboraciones en la revista "Hermano Lobo" (1972-1976), con su nombre (127 artículos) o con diversos seudónimos. En 77 de los artículos (60,5%) que Umbral firmó con su nombre hay diversas referencias literarias, que se ...
Garrote-Bernal, Gaspar
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