0除算に関するアナウンスメントを公開しています The purpose of this site is to publish announcements on the theory of division by zero 2013-07-03T19:31:32+09:00 奥村博 $($Hiroshi Okumura$)$ 忍者ブログ okmr.yamatoblog.net://entry/93 2021-05-26T15:13:29+09:00 2021-05-26T15:13:29+09:00 New Journal
The journal name is

International Journal of Division by Zero Calculus.

The editor in chief is Professor Saburou Saitoh.

The first issue will be published in the next June (June 2021).













































]]> 奥村博 $($Hiroshi Okumura$)$ okmr.yamatoblog.net://entry/92 2021-03-14T17:15:12+09:00 2021-03-14T17:15:12+09:00 Introduction to the division by zero calculus Here is the Publisher's page.

Components of the Book:
  • Copyright
  • Introduction
  • Preface
  • Acknowledgements
  • Contents
  • Chapter 1
    Introduction
  • Chapter 2
    Introduction and definitions of general fractions
  • Chapter 3
    Stereographic projection
  • Chapter 4
    Mirror image with respect to a circle
  • Chapter 5
    Division by zero calculus
  • Chapter 6
    Triangles, trigonometric functions and harmonic mean
  • Chapter 7
    Derivatives of functions
  • Chapter 8
    Differential equations
  • Chapter 9
    Euclidean spaces and division by zero
  • Chapter 10
    Applications to Wasan geometry
  • Chapter 11
    Introduction of formulas log 0 = log1 = 0
  • Chapter 12
    Divergence series and integrals from the viewpoint of the division by zero calculus
  • Chapter 13
    Basic meanings of values at isolated singular points of analytic functions
  • Chapter 14
    Division by zero calculus on multidimensional spaces
  • Chapter 15
    Division by zero calculus in physics
  • Chapter 16
    What is the zero?
  • Chapter 17
    Conclusion
  • References
  • Index





















]]> 奥村博 $($Hiroshi Okumura$)$ okmr.yamatoblog.net://entry/91 2021-01-31T14:58:53+09:00 2021-01-31T14:58:53+09:00 "Introduction to the division by zero calculus" will be published in this March!





















]]> 奥村博 $($Hiroshi Okumura$)$ okmr.yamatoblog.net://entry/90 2020-12-23T13:11:25+09:00 2020-12-23T13:11:25+09:00 Introduction to the Division by Zero Calculus A book entitled "Introduction to the Division by Zero Calculus" by Professor Saburou Saitoh will be published in March 2021 from Scientific Research Publishing. The publisher's information can be found at https://www.scirp.org/.

This is the first book in the world and in the history of mathematics, which considers division by zero and division by zero calculus. The original draft is a 350 pages book, but this is an introduction and will be made as a shorter version of 200 pages book.











































































]]> 奥村博 $($Hiroshi Okumura$)$ okmr.yamatoblog.net://entry/89 2020-11-21T15:43:16+09:00 2020-11-21T15:43:16+09:00 A Typical Criticisms on Division by Zero































]]> 奥村博 $($Hiroshi Okumura$)$ okmr.yamatoblog.net://entry/88 2020-10-09T20:16:35+09:00 2020-10-09T20:16:35+09:00 Dividing integer numbers




























]]> 奥村博 $($Hiroshi Okumura$)$ okmr.yamatoblog.net://entry/87 2020-09-08T11:50:09+09:00 2020-09-08T11:50:09+09:00 No. 1134





































]]> 奥村博 $($Hiroshi Okumura$)$ okmr.yamatoblog.net://entry/86 2020-07-30T10:56:41+09:00 2020-07-30T10:56:41+09:00 Two projects on division by zero in ReserchGate

https://www.researchgate.net/project/division-by-zero
by Yoshinori Saitoh


https://www.researchgate.net/project/Division-by-zero-2
by Hirohsi Okumra


















]]> 奥村博 $($Hiroshi Okumura$)$ okmr.yamatoblog.net://entry/85 2020-06-07T07:06:53+09:00 2020-06-07T07:06:53+09:00 Main results
















































































 


]]> 奥村博 $($Hiroshi Okumura$)$ okmr.yamatoblog.net://entry/84 2020-05-22T06:18:15+09:00 2020-05-22T06:18:15+09:00 T-shirt




















































]]> 奥村博 $($Hiroshi Okumura$)$