17/11/16 11:57:32.61 /MLxWF5k.net
>>179 追記
下記のピエロ紹介の論文（>>171）は、結構大学１年～２年の教育素材として、面白いと思う（＾＾
有理数の稠密性と無理数の関係
”DIOPHANTINE APPROXIMATION”
関数の連続・不連続
微分可能と不可能と
それに、関数ｙ＝1/x^ｖ の指数ｖによる属性の変化
さまざまな数学の要素が融合して
実に面白い素材だし
数学史の一コマにも使えるかな？（＾＾
URLﾘﾝｸ(www.unirioja.es)
DIFFERENTIABILITY OF A PATHOLOGICAL FUNCTION,
DIOPHANTINE APPROXIMATION,
AND A REFORMULATION
OF THE THUE-SIEGEL-ROTH THEOREM
JUAN LUIS VARONA
This paper has been published in Gazette of the Australian Mathematical Society, Vol-
ume 36, Number 5, November 2009, pp. 353{361.
Received 29 February 2008; accepted for publication 6 October 2009.
URLﾘﾝｸ(www.unirioja.es)
Juan L. Varona Dept. of Mathematics and Computation University of La Rioja
URLﾘﾝｸ(en.wikipedia.org)
University of La Rioja
(抜粋)
Type Public
Established 1992
Students 7,600
Address Avda. de la Paz, 93 26006, Logrono., Logrono, Spain
Website URLﾘﾝｸ(www.unirioja.es)
The University of La Rioja (UR) is a public institu