benchmarks.wiki

benchmarks.wiki / Public workspace

Omni-MATH / Find all functions f from the set of real numbers into the set of real numbers which satisfy for all x, y the identity f(xf(x+y))=f(yf(x))+x² [i] · Discussion

Discussing Find all functions f from the set of real numbers into the set of real numbers which satisfy for all x, y the identity f(xf(x+y))=f(yf(x))+x² [i] · Omni-MATH

Posts

Chronological order within this page.

Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.