Phrase guide

special unitary group

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

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1

noun

Meaning 1

For given n, the group of n×n unitary matrices with complex elements and determinant equal to one.

Definition source: English Wiktionary via Wiktextract

Topics: group-theory, linear-algebra, mathematics, sciences

Examples

  • 1992 [Prentice-Hall], George H. Duffey, Applied Group Theory: For Physicists and Chemists, 2015, Dover, Unabridged Republication, page 284, The special unitary group in two dimensions is represented by the 2 X 2 unitary matrices whose determinants equal 1.
  • 2004, Roger Cooke (translator), Vladimir I. Arnold, Lectures on Partial Differential Equations, [1997, Lekstii ob uravneniyakh s chastnymi proizvodnymi], Springer, page 81, When n = 3, the group of rotations SO(3) is isomorphic to the real three-dimensional projective space RP3. It has a two-sheeted covering by the three-dimensional sphere (the group of unit quaternions), which in turn is isomorphic to the special unitary group SU(2), also known as the spin group of order 3, as in the following diagram

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

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Across languages

Translations

2 source translations are retained for this English entry.

  • Finnish: erityinen unitaarinen ryhmä — group of n×n matrices with complex elements and determinant 1
  • Polish: specjalna symetria unitarna — group of n×n matrices with complex elements and determinant 1