The conjecture that Frey's elliptic curve was *not* modular. The conjecture was quickly proved by Ribet (Ribet's
theorem) in 1986, and was an important step in the proof of Fermat's
last theorem from the Taniyama-Shimura
conjecture.

# Epsilon Conjecture

## See also

Fermat's Last Theorem, Ribet's Theorem, Taniyama-Shimura Conjecture## Explore with Wolfram|Alpha

## Cite this as:

Weisstein, Eric W. "Epsilon Conjecture."
From *MathWorld*--A Wolfram Web Resource. https://mathworld.wolfram.com/EpsilonConjecture.html