What does "d'alembert operator" mean?

A differential operator which may be expressed as ∂_μ∂^μ=∑_(μ=0)³∂/∂x^μ∂/∂x_μ; it is the four-dimensional (Minkowski space) equivalent of the three-dimensional Laplace operator.

What is a synonym for "d'alembert operator"?

Common synonyms include: alembert.

D'alembert operator

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A differential operator which may be expressed as ∂_μ∂^μ=∑_(μ=0)³∂/∂x^μ∂/∂x_μ; it is the four-dimensional (Minkowski space) equivalent of the three-dimensional Laplace operator.

Synonyms

All synonyms

alembert

Etymology

Named after Jean le Rond d'Alembert (1717–1783), a French mathematician, mechanician, physicist, philosopher, and music theorist.

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