數學研究所編印之《數學集刊》業已出版，本期與前三期是慶祝Neil Trudinger教授70歲大壽所籌畫的特刊，本期作者及文章標題如下：

1.  Preface

2.  Some Existence and Regularity Results By Neil Trudinger Revisited without The Weighted Sobolev Spaces Framework by Lucio Boccardo and G. Rita Cirmi

3.  Higher and fractional order Hardy-Sobolev type equations by Wenxiong Chen and Yanqin Fang

4.  Excursions in Numerical Ranges by Hwa-Long Gau and Pei Yuan Wu

5.  Ball Concepts in Partial Differential Equations by Hwai-chiuan Wang

6.  Numerics and Fractals by Michael F. Barnsley, Markus Hegland and Peter Massopust

7.  Connecting Orbits for Subharmonic Solutions in Time Reversible Hamiltonian Systems by Chao-Nien Chen and Shyuh-yaur Tzeng

8.  Existence Results for the Einstein-Scalar Field Lichnerowicz Equations on Compact Riemannian Manifolds in the Positive Case by Quoc Anh Ngo and Xingwang Xu

9.  Quadratic Interaction Functional For Systems Of Conservation Laws: A Case Study by Stefano Bianchini and Stefano Modena

Volume 1 No. 1到 Volume 9 No. 3文章已全文上網，數學集刊季刊網站

http://w3.math.sinica.edu.tw/bulletin/default_a.jsp，可逕自瀏覽。有興趣者，亦可利用劃撥訂購紙本期刊。

訂閱費用：1年4期（3、6、9、12月出刊），國內訂戶新臺幣1500元，國外訂戶美金60元（郵資內含）。

劃撥帳號：0100434-8   帳戶名稱：中央研究院數學研究所