2013
DOI: 10.1007/s00025-013-0312-z
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Four-Dimensional Pseudo-Riemannian Generalized Symmetric Spaces Which are Algebraic Ricci Solitons

Abstract: Abstract. We classify, up to isometry, non-symmetric simply-connected four-dimensional pseudo-Riemannian generalized symmetric spaces which are algebraic Ricci solitons. It turns out that those of Cerny-Kowalski's types A, C and D are algebraic Ricci solitons, whereas those of type B are not. Thus, we give new examples of algebraic Ricci solitons. Mathematics Subject Classification (2000). 53C50, 53C21, 53C25.

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Cited by 14 publications
(14 citation statements)
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“…Moreover, the Ricci operator of any such Lie group is diagonalizable of the form Ric = τ 2 diag[0, 0, 1, 1]. This shows that the Weyl curvature operator is of maximal rank unless the manifold is flat, and thus Lemma 15 implies that all Lie groups given by Lemma 12-(1) are conformally equivalent to the generalized symmetric space (5).…”
Section: Remark 14mentioning
confidence: 99%
See 2 more Smart Citations
“…Moreover, the Ricci operator of any such Lie group is diagonalizable of the form Ric = τ 2 diag[0, 0, 1, 1]. This shows that the Weyl curvature operator is of maximal rank unless the manifold is flat, and thus Lemma 15 implies that all Lie groups given by Lemma 12-(1) are conformally equivalent to the generalized symmetric space (5).…”
Section: Remark 14mentioning
confidence: 99%
“…As the generalized symmetric spaces are homogeneous and we are assuming that they are simply connected, the structures (g, J ± ) are globally defined on M . Moreover, a direct calculation from (5) shows that the Ricci operator is given by…”
Section: 2mentioning
confidence: 99%
See 1 more Smart Citation
“…Так, в работах [15,16] получена классификация алгебраических и однородных инвариантных со-литонов Риччи на трехмерных метрических груп-пах Ли. Кроме того, было доказано, что в псевдо-римановом случае существуют однородные инва-риантные солитоны Риччи, которые не являются алгебраическими.…”
Section: Doi 1014258/izvasu(2017)1-16unclassified
“…Целью данной статьи является рассмотрение некоторых примеров алгебраических солитонов Риччи на n-мерных метрических группах Ли с тривиальным (W = 0) или гармоническим (div W = 0) тензором Вейля и с недиагонализиру-емым оператором Риччи, что является существен-ным дополнением к результатам работ [11,12,14,15,19,20].…”
Section: Doi 1014258/izvasu(2017)1-16unclassified