unimodular

[ yoo-nuh-moj-uh-ler ]

adjective

, Mathematics.

1. (of a matrix) having its determinant equal to 1.

Word History and Origins

Origin of unimodular¹

First recorded in 1865–70; uni- + modular

Example Sentences

They begin with a variant of general relativity that Einstein himself invented called unimodular gravity.

From Science Magazine

Unimodular gravity reproduces most of the predictions of general relativity.

From Science Magazine

Unimodular gravity doesn't require energy to be conserved, so theorists have to impose that constraint arbitrarily.

From Science Magazine

Now, however, Josset, Perez, and Sudarsky show that in unimodular gravity, if they just go with it and allow the violation of the conservation of energy and momentum, it actually sets the value of the cosmological constant.

From Science Magazine

Unimodular gravity possesses a more limited version of that mathematical symmetry.

From Science Magazine