Search CurateND

Search criteria:

Type of Work: Document remove ×
Clear all

List of files deposited in CurateND that match your search criteria

  • Abstract:

    In 1845 Bertrand postulated that there is always a prime between $n$ and $2n$, and he verified this for $n < 3,000,000$. Tchebychev gave an analytic proof of the postulate in 1850. In 1932, in his first paper, Erdos gave a beautiful elementary proof using nothing more than a few easily verified facts about the middle binomial coefficient. We describe Erdos’s proof and make a few additional comments, including a discussion of how the two main lemmas used in the proof very quickly give a…

    Record Visibility:
    Resource Type