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№918

Philip Lloyed　氏、方程式 x^x=x 　の解には　－１もあると述べて来ましたが、それは　正しく、　結局解は　3つあると成ります。

Philip Lloyd

Ex HOD maths at Epsom Girls Grammar, Auckland. Taught for 47 years：

Your question is very interesting for the equation x^x =x. I would like to answer my solutions that x = 1 and 0: Please look the paper and our results. I would like to refer to your

Contribution with thanks in my book.

International Conference on Differential & Difference Equations and Applications

ICDDEA 2017: Differential and Difference Equations with Applications pp 293-305| Cite as

log0=log∞=0log⁡0=log⁡∞=0 and Applications

·         Authors

·         Authors and affiliations

·         Hiroshi Michiwaki

·         Tsutomu Matuura 

·         Saburou Saitoh

Conference paper

First Online: 08 May 2018

·         1Readers

·         358Downloads

Part of the Springer Proceedings in Mathematics & Statistics book series (PROMS, volume 230)

Close the mysterious and long history of division by zero and open the new world since Aristotelēs-Euclid:　1/0=0/0=z/0= \tan (\pi/2)=0.

Sangaku Journal of Mathematics (SJM) c ⃝SJMISSN 2534-9562 Volume 2 (2018), pp. 57-73 Received 20 November 2018. Published on-line 29 November 2018 web: http://www.sangaku-journal.eu/ c ⃝The Author(s) This article is published with open access1.

Wasan Geometry and Division by Zero Calculus

∗Hiroshi Okumura and ∗∗Saburou Saitoh

2019.1.19.6:06

この本質論については幸運にも相当に力を入れて書いたものがある：

No.81, May 2012(pdf 432kb)

www.jams.or.jp/kaiho/kaiho-81.pdf

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  19/03/2012

 ここでは、数学とは何かについて考えながら、数学と人間に絡む問題などについて、幅. 広く面白く触れたい。骨格    

実数の世界でも　3つの解があるのは　面白い。