Math Storehouse

A collection of mathematical odds and ends

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Welcome to jjycjn's Math Storehouse!

 

블로그에 방문해 주셔서 감사합니다!

 

최근에 추가된 블로그 글 (Recent blog posts)
  • 쿠라토프스키의 14개 집합 정리(Kuratowski 14-set theorem) (July 4, 2025)
  • 일반화된 열린집합(generalized open set)들의 성질과 상관관계 1 (June 10, 2024)
  • 확장된 코시-슈바르츠 부등식(extended Cauchy-Schwarz inequality) (May 24, 2024)
  • 티투의 보조정리(Titu's lemma) (January 3, 2024)
  • 스털링 근사식(Stirling's approximation)의 증명과 활용 (March 10, 2023)
  • 7의 배수 판정법(divisibility rule) 총정리 (September 13, 2022)
  • 자연수 위에서 정의된 산술거리(arithmetic distance) (September 5, 2022)
  • 대칭 이중선형형식(symmetric bilinear form)에서 성립하는 동치 관계들 (April 27, 2022)
  • 두 주기함수(periodic function)의 합이 주기함수가 될 필요충분조건 (March 16, 2021)
  • 피보나치 수열(Fibonacci sequence)을 이용한 자연수의 분할 (October 1, 2020)

 

최근에 추가된 강의 노트 (Recent lecture notes)

 

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eigenvalue sandwich theorem quotient floor function Cauchy-Schwarz inequality ascending number descending number Fermat's last theorem superfactorial primorial generalized polynomial remainder theorem Lagrange multiplier method remainder multifactorial pizza theorem skew-symmetric matrix Lychrel number Lagrange multiplier factorial palindromic number
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