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The study of quasi-Kähler Chern-flat almost Hermitian manifolds is strictly related to the study of anti-bi-invariant almost complex Lie algebras. In the present paper we show that quasi-Kähler Chern-flat almost Hermitian structures on compact manifolds are in correspondence to complex parallelisable Hermitian structures satisfying the second Gray identity. From an algebraic point of view this correspondence reads as a natural correspondence between anti-bi-invariant almost complex structures on Lie algebras and bi-invariant complex structures. Some natural algebraic problems are approached and some exotic examples are carefully described.
Di Scala, Antonio J. 1 ; Lauret, Jorge 2 ; Vezzoni, Luigi 3
@article{ASNSP_2012_5_11_1_41_0, author = {Di Scala, Antonio J. and Lauret, Jorge and Vezzoni, Luigi}, title = {Quasi-K\"ahler {Chern-flat} manifolds and complex $2$-step nilpotent {Lie} algebras}, journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze}, pages = {41--60}, publisher = {Scuola Normale Superiore, Pisa}, volume = {Ser. 5, 11}, number = {1}, year = {2012}, mrnumber = {2953044}, zbl = {1252.53038}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ASNSP_2012_5_11_1_41_0/} }
TY - JOUR AU - Di Scala, Antonio J. AU - Lauret, Jorge AU - Vezzoni, Luigi TI - Quasi-Kähler Chern-flat manifolds and complex $2$-step nilpotent Lie algebras JO - Annali della Scuola Normale Superiore di Pisa - Classe di Scienze PY - 2012 SP - 41 EP - 60 VL - 11 IS - 1 PB - Scuola Normale Superiore, Pisa UR - http://geodesic.mathdoc.fr/item/ASNSP_2012_5_11_1_41_0/ LA - en ID - ASNSP_2012_5_11_1_41_0 ER -
%0 Journal Article %A Di Scala, Antonio J. %A Lauret, Jorge %A Vezzoni, Luigi %T Quasi-Kähler Chern-flat manifolds and complex $2$-step nilpotent Lie algebras %J Annali della Scuola Normale Superiore di Pisa - Classe di Scienze %D 2012 %P 41-60 %V 11 %N 1 %I Scuola Normale Superiore, Pisa %U http://geodesic.mathdoc.fr/item/ASNSP_2012_5_11_1_41_0/ %G en %F ASNSP_2012_5_11_1_41_0
Di Scala, Antonio J.; Lauret, Jorge; Vezzoni, Luigi. Quasi-Kähler Chern-flat manifolds and complex $2$-step nilpotent Lie algebras. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 5, Tome 11 (2012) no. 1, pp. 41-60. http://geodesic.mathdoc.fr/item/ASNSP_2012_5_11_1_41_0/