Action principles

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

Action principles are fundamental to physics, from classical mechanics through quantum mechanics, particle physics, and general relativity. Action principles start with an energy function called a Lagrangian describing the physical system.

Excerpt from the Wikipedia article “Action principles”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Maschen, CC0, via Wikimedia Commons.