Talk:Four-frequency

	Physics portal This article is within the scope of WikiProject Physics, a collaborative effort to improve the coverage of Physics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.PhysicsWikipedia:WikiProject PhysicsTemplate:WikiProject Physicsphysics
Low	This article has been rated as Low-importance on the project's importance scale.
	This article is supported by the relativity task force.

I thought that the wave four-vector at least deserved a mention. Mpatel

"The wave four-vector is more often used in practice than the four-frequency,"

This page was redesigned at the edge.