Zobrazeno 1 - 10 of 111 pro vyhledávání: '"Ramón Vázquez-Lorenzo"'
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Akademický článek
Stanilov-Tsankov-Videv Theory
Autor: Miguel Brozos-Vázquez, Bernd Fiedler, Eduardo García-Río, Peter Gilkey, Stana Nikcevic, Grozio Stanilov, Yulian Tsankov, Ramón Vázquez-Lorenzo, Veselin Videv
Publikováno v: Symmetry, Integrability and Geometry: Methods and Applications, Vol 3, p 095 (2007)
We survey some recent results concerning Stanilov-Tsankov-Videv theory, conformal Osserman geometry, and Walker geometry which relate algebraic properties of the curvature operator to the underlying geometry of the manifold.
Externí odkaz: https://doaj.org/article/e774669d731846d09f1d6a39a40be46a
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2
Homogeneous generalized Einstein manifolds in dimension four
Autor: M. E. Vázquez-Abal, Rodrigo Mariño-Villar, Ramón Vázquez-Lorenzo, Eduardo García-Río
Publikováno v: Minerva. Repositorio Institucional de la Universidad de Santiago de Compostela
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We classify homogeneous four-dimensional manifolds satisfying a curvature condition which naturally generalizes the Einstein one. Our work leads to new examples of self-similar solutions of the two-loop renormalization group flow Supported by project
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3df8da311d14b8767f5572a2da8e2843
https://doi.org/10.1002/mma.7698
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4
Locally conformally flat Kähler and para-Kähler manifolds
Autor: Eduardo García-Río, M. Ferreiro-Subrido, Ramón Vázquez-Lorenzo
Publikováno v: Annals of Global Analysis and Geometry. 59:483-500
We complete the classification of locally conformally flat Kahler and para-Kahler manifolds, describing all possible non-flat curvature models for Kahler and para-Kahler surfaces.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::efea73c5ab123c1e9d5b0530ded6d322
https://doi.org/10.1007/s10455-021-09755-8
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5
Four-dimensional homogeneous Kähler Ricci solitons
Autor: Eduardo García-Río, I. Gutiérrez-Rodríguez, E. Calviño-Louzao, Ramón Vázquez-Lorenzo
Publikováno v: Mexican Mathematicians in the World. :31-39
We show that four-dimensional homogeneous Kähler Ricci solitons are Einstein, rigid or an algebraic Ricci soliton on the only 3 3 -symmetric space.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fa19ef68613c92da75dd7cb538dcc1c7
https://doi.org/10.1090/conm/775/15587
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6
Conformally Einstein and Bach-flat four-dimensional homogeneous manifolds
Autor: Xabier García-Martínez, I. Gutiérrez-Rodríguez, E. Calviño-Louzao, Ramón Vázquez-Lorenzo, Eduardo García-Río
Publikováno v: Journal de Mathématiques Pures et Appliquées. 130:347-374
Homogeneous conformally Einstein manifolds are classified in dimension four. As a consequence we show that any homogeneous strictly Bach-flat four-dimensional manifold is homothetic to one of the examples constructed by Abbena, Garbiero and Salamon i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::12f5ea39f83d832b89ff0740ec857525
https://doi.org/10.1016/j.matpur.2019.01.005
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