AIMS AND SCOPE

The Southeast Asian Bulletin of Mathematics is the bimonthly journal of the South East Asian Mathematical Society. Already well established and now in its 33rd volume, this journal will continue to publish research papers in all areas of mathematics with the primary aim to disseminate original research from mathematicians in Southeast Asia to both the regional and international scientific community.

SUBSCRIPTION INFORMATION

Suggest list price: US$350.00 plus carriage charges. ISSN 0129-2021

Orders should be addressed to:

Hong Kong:  K.P. Shum
                    Department of Mathematics
                    The University of Hong Kong ,
                    China (SAR)
                    Tel: (852) 2859 2250
                    Fax: (852) 2559 2225
                    kpshum@maths.hku.hk

Guangzhou:  Y.Q. Chen
                    Editorial Office of Southeast
                      Asian Bulletin of Mathematics
                    South China Normal University
                    Guangzhou 510631, china
                    Tel: 86 (20) 85216957
                    Fax: 86 (20) 85216705
                    yqchen@scnu.edu.cn

Kunming:     H.K. Yang
                    Editorial Office of Southeast
                      Asian Bulletin of Mathematics
                    YunnanUniversity
                    Kunming 650091, China
                    Tel: 86 (871) 5031445
                    Fax: 86 (871) 5031445
                    hkyang@ynu.edu.cn

Change of address: Allow 6 weeks for all changes to become effective. All communications should include both old and new addresses (with postal codes) and should be accompanied by a mailing label from a recent issue.

COPYRIGHT INFORMATION

Submission of a manuscript implies:

• that it is not under consideration for publication elsewhere;
• that its publication has been approved by all co-authors, if any as well as by the responsible authorities at the institute where the work has been carried out;
• that, if and when the manuscript is accepted for publication, the authors agree to automatic transfer of the copyright to the publisher.
• that the manuscript will not be published elsewhere in any language without the consent of the copyrighted sources.
• that written permission of the copyright holder is

obtained by the authors for material used from other copyrighted sources.

All articles published in this journal are protected by copyright, which covers the exclusive rights to reproduce and distribute the article (e.g., as offprints), as well as all translation rights. No material published in this journal may be reproduced photographically or stored on microfilm, in electronic databases, video disks, etc., without first obtaining written permission from the publisher.

The use of general descriptive names, trade names, trademarks, in this publication, even if not specially identified, does not imply that these names are not protected by the relevant laws and regulations.

The page charges of the paper at the rate of US$10/per printed page. The charges should be paid to the account of Southeast Asian Mathematical society in Hong Kong, by the authors’ research grant or their institution. In case of financial difficulty, the author can apply to the chief editor for waiving the page charge. The manuscripts will be sent to the press only after receipt of the page charge.

While the advice and information in this journal is believed to be true and accurate at the date of it going to press, neither the authors, the editors, nor the publisher can accept any legal responsibility for any errors or omissions that may be made. The publisher makes no warranty, express or implied, with respect to material contained herein. The South China Normal University and Yunnan University publish advertisements in this journal in reliance upon the responsibility of the advertiser to comply with all legal requirements relating to the marketing and sale of products or services advertised. Southeast Asian Mathematical Society and the editors are not responsible for claims in the advertisements published in the journal. The appearance of advertisements in Southeast Asian Mathematical Society publications does not constitute endorsement, implied or intended, of the product advertised or the claims made for it by the advertiser.

Authorization to photocopy articles for internal or personal use is granted provided that the appropriate fee is paid directly to The Editorial Office of South Asian Bulletin of Mathematics, Guangzhou 510631, China (Tel 86 (20) 85216957, Fax 86 (20) 85216705), stating the ISSN 0129-2021, the volume and issue, and the first and last page numbers of each article copied. The authorization does not include copying for general distribution does not include copying for general distribution, promotion, new works, or resale. In these cases, specific written permission must first be obtained from the publisher.

PUBLISHER