UFO religion

(linear algebra, group theory) For given n, the group of n×n unitary matrices with complex elements and determinant equal to one.

An advocacy group.

plural of special interest group

plural of flying saucer group

plural of neighbouring group participation

plural of special unitary group

(astronomy) An implied cosmological scale alignment of matter. An assemblage of quasars that appear to form a structure, having them closely grouped in the sky in terms of redshift and lateral placement, implying an outline of a dimmer more massive structure in which the quasars are embedded.

plural of special linear group

(group theory) For given field F and order n, the group of n×n matrices with determinant 1, with the group operations of matrix multiplication and matrix inversion.