Heisenberg group

English

Etymology

Named after Werner Heisenberg.

Proper noun

the Heisenberg group

(mathematics) The group of 3×3 upper triangular matrices of the form ${\begin{pmatrix}1&a&c\\0&1&b\\0&0&1\\\end{pmatrix}}$ under the operation of matrix multiplication, arising in the description of one-dimensional quantum-mechanical systems.

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