What does "superrigidity" mean?

In the theory of discrete groups, a concept designed to show how a linear representation ρ of a discrete group Γ inside an algebraic group G can, under some circumstances, be as good as a representation of G itself.

Superrigidity

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
In the theory of discrete groups, a concept designed to show how a linear representation ρ of a discrete group Γ inside an algebraic group G can, under some circumstances, be as good as a representation of G itself. uncountable

Etymology

From super- + rigidity.

Related phrases

algebraic group discrete group

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.