求助：需要一个arXiv的endorsement

Sin_Luo

论坛里有人在

arXiv

上发布过四篇以上的论文吗？我需要一个endorsement，求助！

(Xin Luo should forward this email to someone who's registered as an

endorser for the math.NA (Numerical Analysis) subject class of arXiv.)

Xin Luo requests your endorsement to submit an article to the math.NA

section of arXiv. To tell us that you would (or would not) like to

endorse this person, please visit the following URL:

https://arxiv.org/auth/endorse?x=Z9IFBG

If that URL does not work for you, please visit

http://arxiv.org/auth/endorse.php

and enter the following six-digit alphanumeric string:

Endorsement Code: Z9IFBG