English

Newton-Mandelbrot set and Murase-Mandelbrot set

General Mathematics 2026-05-05 v4

Abstract

We obtain four extended Newton's methods and three extended Mandelbrot's recurrence formulas from the Wasan (Japanese mathematics in the Edo period (1603-1868)). Furthermore, two extended Newton's methods relate to one of the extended Mandelbrot's recurrence formulas. We lead four types of extended Mandelbrot recurrence formulas. Next, we show that these become the same extended Mandelbrot set, and connected, closed set. These show the originality of Wasan.

Keywords

Cite

@article{arxiv.2502.14872,
  title  = {Newton-Mandelbrot set and Murase-Mandelbrot set},
  author = {Shunji Horiguchi},
  journal= {arXiv preprint arXiv:2502.14872},
  year   = {2026}
}

Comments

15 pages, 12 figures