📜 Theorem, law or theory

Fubini's theorem

Teorema de Fubini

Date
1907 · confidence high
Place
Genoa, Liguria, Italy
Credited to
Guido Fubini
Field
Knowledge & symbols

What was discovered

A theorem in mathematical analysis allowing a double integral to be computed as an iterated integral, integrating one variable at a time, proved by Guido Fubini.

What it led to

  • Measure theory and Lebesgue integration
  • Multiple-integral calculus in physics and engineering
  • Probability and joint expectation
  • Functional analysis

Links

Sources✓ verified 2026-09-28