c/Algebraic homogeneous spaces

Information
lexicalization	eng: Algebraic homogeneous spaces
subclass of	(noun) the unlimited expanse in which everything is located; "they tested his ability to locate objects in space"; "the boundless regions of the infinite" infinite, space
has instance	e/Affine Grassmannian (manifold)
has instance	e/Generalized flag variety
has instance	e/Grassmannian