Log inSign up
Image
user avatar
Jay Cummings
@LongFormMath
Math prof. Author of long-form textbooks on proofs (amzn.to/3oZrMNu), real analysis (amzn.to/2kjvMwh) & math history (a.co/d/8pLSo0C).
Sacramento, CA
longformmath.com
Joined July 2019
599
Following
46.3K
Followers
RepliesMedia
  • user avatar
    Jay Cummings
    @LongFormMath
    22h
    I don’t like trying to keep up with inbox. I often go stretches ignoring email entirely, and find myself much happier when I do. I’m currently at my longest stretch—about 3 months. But today is the day to start digging myself out. Woo boy, here we go!
  • user avatar
    Jay Cummings
    @LongFormMath
    Aug 5
    On the short list for the saddest biographical story in math history
    user avatar
    Fermat's Library
    @fermatslibrary
    Aug 5
    Niels Abel, born exactly 224 years ago today, proved at 21 that there is no algebraic formula to solve equations of degree 5, settling a 250-year-old problem. He paid the printer himself and compressed the proof to 6 pages to cut costs. He sent a copy to Gauss, who never
    Image
  • user avatar
    Jay Cummings
    @LongFormMath
    Aug 5
    Ludwig Wittgenstein begins the preface of his Tractatus Logico-Philosophicus with: "This book will perhaps be understood only by those who have themselves already thought the thoughts which are expressed in it." Readers of math articles and books know this feeling all too well.