Research Interests :
Research Interests :
Representation theory of Lie groups and Lie algebras
Dirac cohomology
Θ-correspondence
BGG category O
Branching problems of representations
Algebraic families of Harish-Chandra pairs
Representation theory of Lie groups and Lie algebras
Dirac cohomology
Θ-correspondence
BGG category O
Branching problems of representations
Algebraic families of Harish-Chandra pairs
S. Afentoulidis-Almpanis & E. Subag: "Dirac operators for algebraic families" (arxiv)
S. Afentoulidis-Almpanis & G. Liu: "Tensor product decomposition for rank-one spin groups I : unitary principal series representations" (arXiv)
S. Afentoulidis-Almpanis, G. Liu & S. Mehdi: "Dirac cohomology and Θ-correspondence for complex dual pairs", Algebras and Representation Theory 28, 337–352 (2025) (arxiv)
S. Afentoulidis-Almpanis: "Dirac cohomology for the BGG category O", Indagationes Mathematicae 35, Issue 2, March 2023, 205-229 (arXiv)
S. Afentoulidis-Almpanis: "Noncubic Dirac operators for finite dimensional modules", Journal of Lie Theory 31, No. 4, 1113-1140 (2021) (arXiv)
S. Afentoulidis-Almpanis: "Noncubic Dirac cohomology for finite dimensional modules", Ph. D. Thesis, University of Lorraine, France, (2021), (link)