Copyright © 2007-2023 Antoine Danchin

Provided you inform us of your use of the present material and that explicit reference to this Copyright form is included, everyone is permitted to copy and distribute verbatim copies of this site, but changing it is not allowed.

This Copyright License Agreement does not grant license to use any fragment or site copyright by other parties (except if the whole site is mirrored), individual licenses must be asked for to the appropriate parties. Original parts of the text written by an author can be used by him or herself for whatever use he or she wishes to have (books, article, CDs, DVDs, video conferences and the like) provided reference to this site is given.

Preamble

The Copyright here is intended to guarantee your freedom to share and make sure the site is free for all its users, as well as to protect the work developed by Antoine Danchin against corruption.

When we speak of freedom of copy, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free site (and charge for this service if you wish), that you can change the site or use pieces of it in new free text and images; and that you know you can do these things.

To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights. These restrictions translate to certain responsibilities for you if you distribute copies of the site, or if you modify it.

For example, if you distribute copies of such a text and images, whether gratis or for a fee, you must give the recipients all the rights that you have. You must make sure that they, too, receive or can get the source code, and for this you must indicate, together with the copies, its origin and the copyright notice attached to it. And you must show them these terms so they know their rights and duties. In addition, to protect the quality of the content of this site you are requested to give us prior notice of the use you wish to do, and also give us a copy of the modified work for review before publication. In case of substantial alteration of the content or purpose we retain a right to object.

We protect your rights with two steps: (1) copyright the site, and (2) offer you this license which gives you legal pervision to copy, distribute and/or modify the site under appropriate conditions.

Also, for each author's protection and ours, we want to make certain that everyone understands that there is no warranty for this free site. If the site is modified by someone else and passed on, we want its recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on the original authors' reputations.

Finally, any free text and images is threatened constantly by site copyrights or even patents. We wish to avoid the danger that redistributors of a free text and images will individually obtain patent or copyright licenses, in effect making the text and images proprietary. To prevent this, we have made it clear that any patent or copyright must be licensed for everyone's free use or not licensed at all. In addition any copyright subsisting in the compilation is still subject to the copyright present in the original material

The precise terms and conditions for copying, distribution and modification follow.

TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

0. This License applies to any text and images or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License. The "text and images", below, refers to any such text and images or work, and a "work based on the text and images" means either the text and images or any derivative work under copyright law: that is to say, a work containing the text and images or a portion of it, either verbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in the term "modification".) Each licensee is addressed as "you", provided explicit, visible and clear reference is made to the original site, at the present address (../index.html), stating that Antoine Danchin is the copyright owner and that the materials are sourced from this address, with copy of this copyright and license agreement. It must also be understood that the authors of the materials do not hereby waive their moral rights in the materials.

Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The act of using the text and images is not restricted, and the output from usage of the text and images is covered only if its contents constitute a work based on the text and images (independent of having been made by using the text and images). Whether that is true depends on what the text and images refer to.

1. You may copy and distribute verbatim copies of the text and images as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and give any other recipients of the text and images a copy of this License along with the text and images.

You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee.

2. You may modify your copy or copies of the text and images or any portion of it, thus forming a work based on the text and images, and copy and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of these conditions:

a) You must inform us prior to modifying the content of the information and provide us with a copy of the modified work for review before publication.

b) You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change.

c) You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the text and images or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License.

d) If the modified text and images are imbedded in a software using commands interactively when run (e.g. a WWW site), you must cause it, when started running for such interactive use in the most ordinary way, to print or display an announcement including an appropriate copyright notice and reference to this License and a notice that there is no warranty (or else, saying that you provide a warranty) and that usersmay redistribute the text and images under these conditions, and telling the user how to view a copy of this License.

3. When using all or part of this site, you must notify us that you are doing so by writing us a notice, by E-mail.

These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the text and images, and can be reasonably considered independent and separate works in themselves, then this License, and its terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same sections as part of a whole which is a work based on the text and images, the distribution of the whole must be on the terms of this License, whose pervisions for other licensees extend to the entire whole, and thus to each and every part regardless of who wrote it.

Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you; rather, the intent is to exercise the right to control the distribution of derivative or collective works based on the text and images.

Compilation of this work with some other is permissible. Any copyright subsisting in the compilation is still subject to the present copyright.

In addition, mere aggregation of another work not based on the text and images with the text and images (or with a work based on the text and images) on a volume of a storage or distribution medium does not bring the other work under the scope of this License.

4. You may copy and distribute the text and images (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following:

a) Accompany it with the complete corresponding machine-readable HTML (or JAVA) source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for site interchange; or,

b) Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of physically performing source distribution, a complete machine-readable copy of the corresponding HTML (or JAVA) code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for site interchange; or,

c) Accompany it with the information you received as to the offer to distribute corresponding HTML (or JAVA) code. (This alternative is allowed only for non-commercial distribution and only if you received the text and images in object code or executable form with such an offer, in accord with Subsection b above.)

5. You may not copy, modify, sublicense, or distribute the text and images except as expressly provided under this License. Any person receiving the materials would automatically receive this License. This does not mean however, that the distributor has any right to sub-licence this copyright material. Any attempt otherwise to copy, modify, sublicense or distribute the text and images is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance.

6. You are not required to accept this License, since you have not signed it. However, nothing else grants you pervision to modify or distribute the text and images or its derivative works. These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the text and images (or any work based on the text and images), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the text and images or works based on it.

7. Each time you redistribute the text and images (or any work based on the text and images), the recipient automatically receives a license from the original licensor to copy, distribute or modify the text and images subject to these terms and conditions. The receiving party has no right to sub-license this material, however. You may not impose any further restrictions on the recipients' exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties to this License.

8. If, as a consequence of a court judgment or allegation of copyright or patent infringement or for any other reason (not limited to patent issues), conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not distribute the text and images at all. For example, if a copyright or patent license would not permit royalty-free redistribution of the text and images by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the text and images.

If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances.

It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims; this section has the sole purpose of protecting the integrity of the free site distribution system, which is implemented by public copyright license practices. Many people have made generous contributions to the wide range of site distributed through that system in reliance on consistent application of that system; it is up to the author/donor to decide if he or she is willing to distribute site through any other system and a licensee cannot impose that choice.

This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License.

9. If the distribution and/or use of the text and images is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the text and images under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates the limitation as if written in the body of this License.

10. Antoine Danchin may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns.

Each version is given a distinguishing date of modification. If the text and images specifies a date of this License which applies to it and "any later version", you must follow the terms and conditions of the latest version published by Antoine Danchin. If the text and images does not specify a date of this License, you may choose any version ever published by Antoine Danchin. In any event, the latest and prevailing version of the Copyright Licence should always apply whenever dispustes arise.

11. If you wish to incorporate parts of the text and images into other free text and images whose distribution conditions are different, write to the author to ask for pervision. For site which is copyrighted by Antoine Danchin, write to Antoine Danchin at antoine.danchin[at]normalesup[dot]org; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free site and of promoting the sharing and reuse of site generally.

12. The present Copyright Licence Agreement terminates if any of the terms are in breach.

DISCLAIMER (see further definition of the disclaimer of Antoine Danchin's World-Wide Web site)

13. BECAUSE THE TEXT AND IMAGES IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE TEXT AND IMAGES, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE TEXT AND IMAGES "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE TEXT AND IMAGES IS WITH YOU. SHOULD THE TEXT AND IMAGES PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.

14. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE TEXT AND IMAGES AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE TEXT AND IMAGES (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE TEXT AND IMAGES TO OPERATE WITH ANY OTHER TEXT AND IMAGESS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

15. THERE IS NO WARRANTY AS TO THE VALIDITY AND SUBSISTENCE OF THE INTELLECTUAL PROPERTY RIGHTS IN THE MATERIALS MADE AVAILABLE ON THE INTERNET AND BY COPYING THE MATERIALS, VIEWERS ARE TAKING THEIR OWN RISK AND WE ARE NOT LIABLE TO THE VIEWERS FOR ANY THIRD PARTY CLAIMS WHATSOEVER.

END OF TERMS AND CONDITIONS

v. 18 december 2009