action functional
C24250
concept
An action functional is a mapping from possible configurations or paths of a physical system to a real number, whose extremization yields the system’s equations of motion via the principle of least action.
All labels observed (3)
| Label | Occurrences |
|---|---|
| action functional canonical | 2 |
| action functional in theoretical physics | 1 |
| string effective action | 1 |
Description generation (CDg)
The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.
Instruction
generate a one-sentence description for a given conceptual class. # Response Format Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: action functional
Generated description
An action functional is a mapping from possible configurations or paths of a physical system to a real number, whose extremization yields the system’s equations of motion via the principle of least action.
Instances (4)
| Instance | Via concept surface |
|---|---|
| Nambu–Goto action | — |
| Einstein–Hilbert action | — |
| heterotic supergravity | string effective action |
| Polyakov action in string theory | action functional in theoretical physics |