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License Information

  ChinaXiv does not ask that copyright be transferred. However, we require sufficient rights to allow us to distribute submitted articles in perpetuity.
  In order to submit an article to ChinaXiv, the submitter must either:
  ? grant ChinaXiv a non-exclusive and irrevocable license to distribute the article, and certify that he/she has the right to grant this license;
  ? certify that the work is available under one of the following Creative Commons licenses and that he/she has the right to assign this license:
o Creative Commons Attribution license (CC BY 4.0)
o Creative Commons Attribution-ShareAlike license (CC BY-SA 4.0)
o Creative Commons Attribution-Noncommercial-ShareAlike license (CC BY-NC-SA 4.0)
o Creative Commons Public Domain Dedication (CC0 1.0)
  If you wish to use a different CC license, then select other license in the submission process and indicate the desired Creative Commons license in the actual article.
  Note: The CC BY and CC BY-SA licenses permit commercial reuse and may conflict with some journal agreements.
  The authors should ensure that the submissions have no plagiarism, malicious attack, defamation and other objectionable contents. Once found, authors should bear the full responsibility.
Authority to submit
  ChinaXiv cannot accept papers that contain material for which the depositor does not have the authority to submit or to agree to the license terms. This would include comments by referees (which may have separate copyright protection) and, of course, plagiarized material. Note that any single co-author normally has all needed authority to submit a paper to ChinaXiv. Once publicly available, articles cannot be entirely removed.
Journal Preprint Policy
  Many journals allow prior distribution on a preprint server before publish. Please check the policies of any potential publication venue before uploading to ChinaXiv. For the policy information of many publishers, see the Wikipedia and SHERPA/RoMEO site.
Licenses granted are irrevocable
  Authors can grant license or transfer the copyright of articles, which already appear on ChinaXiv, to any third-party, but the license granted on submission is irrevocable, the submissions cannot be completely removed once accepted. Thus, Authors should take care to upload an article only if they are certain that they will not later wish to publish it in a journal that prohibits prior distribution on a preprint server.
Publisher PDFs
  It is usually the case that PDFs found on publisher websites or supplied as proofs are the property of the publisher, which often owns the copyright and/or licenses their use. Even if the author retains copyright or permissions in the article, ChinaXiv cannot accept PDFs that have been downloaded from a publisher's website unless ChinaXiv has an agreement with the publisher or Journal.
Copyright notices
  If you have permission from a publisher to upload content to ChinaXiv provided that you include a special copyright statement with the paper, the correct place for that statement is the first page of the text of the submission. Copyright notices should not be included in the separate metadata and will be removed.

  If you have any additional questions about ChinaXiv's copyright and licensing policies, please contact the ChinaXiv administrators directly.