<?xml version='1.0' encoding='utf-8'?>
<eprints xmlns='http://eprints.org/ep2/data/2.0'>
  <eprint id='https://pure.iiasa.ac.at/id/eprint/3189'>
    <eprintid>3189</eprintid>
    <rev_number>22</rev_number>
    <documents>
      <document id='https://pure.iiasa.ac.at/id/document/3235'>
        <docid>3235</docid>
        <rev_number>3</rev_number>
        <files>
          <file id='https://pure.iiasa.ac.at/id/file/6424'>
            <fileid>6424</fileid>
            <datasetid>document</datasetid>
            <objectid>3235</objectid>
            <filename>WP-88-016.pdf</filename>
            <mime_type>application/pdf</mime_type>
            <hash>740be1c93b14d15b8f14ca2e823750a9</hash>
            <hash_type>MD5</hash_type>
            <filesize>625100</filesize>
            <mtime>2016-01-15 01:59:11</mtime>
            <url>https://pure.iiasa.ac.at/id/eprint/3189/1/WP-88-016.pdf</url>
          </file>
        </files>
        <eprintid>3189</eprintid>
        <pos>1</pos>
        <placement>1</placement>
        <format>text</format>
        <language>en</language>
        <security>public</security>
        <main>WP-88-016.pdf</main>
        <coversheetid>22</coversheetid>
        <coverdata_hash>560f1dd6fe767dcdec32688d7e5f3ecf22af8351</coverdata_hash>
      </document>
      <document id='https://pure.iiasa.ac.at/id/document/17676'>
        <docid>17676</docid>
        <rev_number>2</rev_number>
        <files>
          <file id='https://pure.iiasa.ac.at/id/file/29406'>
            <fileid>29406</fileid>
            <datasetid>document</datasetid>
            <objectid>17676</objectid>
            <filename>lightbox.jpg</filename>
            <mime_type>image/png</mime_type>
            <hash>33551c80fabf4e9333295edbdde87762</hash>
            <hash_type>MD5</hash_type>
            <filesize>11902</filesize>
            <mtime>2016-01-15 12:36:56</mtime>
            <url>https://pure.iiasa.ac.at/id/eprint/3189/2/lightbox.jpg</url>
          </file>
        </files>
        <eprintid>3189</eprintid>
        <pos>2</pos>
        <placement>2</placement>
        <mime_type>image/png</mime_type>
        <format>other</format>
        <formatdesc>Thumbnails conversion from text to thumbnail_lightbox</formatdesc>
        <language>en</language>
        <security>public</security>
        <main>lightbox.jpg</main>
        <relation>
          <item>
            <type>http://eprints.org/relation/isVersionOf</type>
            <uri>https://pure.iiasa.ac.at/id/document/3235</uri>
          </item>
          <item>
            <type>http://eprints.org/relation/isVolatileVersionOf</type>
            <uri>https://pure.iiasa.ac.at/id/document/3235</uri>
          </item>
          <item>
            <type>http://eprints.org/relation/islightboxThumbnailVersionOf</type>
            <uri>https://pure.iiasa.ac.at/id/document/3235</uri>
          </item>
        </relation>
      </document>
      <document id='https://pure.iiasa.ac.at/id/document/17677'>
        <docid>17677</docid>
        <rev_number>2</rev_number>
        <files>
          <file id='https://pure.iiasa.ac.at/id/file/29407'>
            <fileid>29407</fileid>
            <datasetid>document</datasetid>
            <objectid>17677</objectid>
            <filename>preview.jpg</filename>
            <mime_type>image/png</mime_type>
            <hash>d1d8cf377ba33e65d59bb05f990991bb</hash>
            <hash_type>MD5</hash_type>
            <filesize>6353</filesize>
            <mtime>2016-01-15 12:36:57</mtime>
            <url>https://pure.iiasa.ac.at/id/eprint/3189/3/preview.jpg</url>
          </file>
        </files>
        <eprintid>3189</eprintid>
        <pos>3</pos>
        <placement>3</placement>
        <mime_type>image/png</mime_type>
        <format>other</format>
        <formatdesc>Thumbnails conversion from text to thumbnail_preview</formatdesc>
        <language>en</language>
        <security>public</security>
        <main>preview.jpg</main>
        <relation>
          <item>
            <type>http://eprints.org/relation/isVersionOf</type>
            <uri>https://pure.iiasa.ac.at/id/document/3235</uri>
          </item>
          <item>
            <type>http://eprints.org/relation/isVolatileVersionOf</type>
            <uri>https://pure.iiasa.ac.at/id/document/3235</uri>
          </item>
          <item>
            <type>http://eprints.org/relation/ispreviewThumbnailVersionOf</type>
            <uri>https://pure.iiasa.ac.at/id/document/3235</uri>
          </item>
        </relation>
      </document>
      <document id='https://pure.iiasa.ac.at/id/document/17678'>
        <docid>17678</docid>
        <rev_number>2</rev_number>
        <files>
          <file id='https://pure.iiasa.ac.at/id/file/29408'>
            <fileid>29408</fileid>
            <datasetid>document</datasetid>
            <objectid>17678</objectid>
            <filename>medium.jpg</filename>
            <mime_type>image/png</mime_type>
            <hash>9d6b3eed571a99e56eeb8d3a3abdff67</hash>
            <hash_type>MD5</hash_type>
            <filesize>2179</filesize>
            <mtime>2016-01-15 12:36:58</mtime>
            <url>https://pure.iiasa.ac.at/id/eprint/3189/4/medium.jpg</url>
          </file>
        </files>
        <eprintid>3189</eprintid>
        <pos>4</pos>
        <placement>4</placement>
        <mime_type>image/png</mime_type>
        <format>other</format>
        <formatdesc>Thumbnails conversion from text to thumbnail_medium</formatdesc>
        <language>en</language>
        <security>public</security>
        <main>medium.jpg</main>
        <relation>
          <item>
            <type>http://eprints.org/relation/isVersionOf</type>
            <uri>https://pure.iiasa.ac.at/id/document/3235</uri>
          </item>
          <item>
            <type>http://eprints.org/relation/isVolatileVersionOf</type>
            <uri>https://pure.iiasa.ac.at/id/document/3235</uri>
          </item>
          <item>
            <type>http://eprints.org/relation/ismediumThumbnailVersionOf</type>
            <uri>https://pure.iiasa.ac.at/id/document/3235</uri>
          </item>
        </relation>
      </document>
      <document id='https://pure.iiasa.ac.at/id/document/17679'>
        <docid>17679</docid>
        <rev_number>2</rev_number>
        <files>
          <file id='https://pure.iiasa.ac.at/id/file/29409'>
            <fileid>29409</fileid>
            <datasetid>document</datasetid>
            <objectid>17679</objectid>
            <filename>small.jpg</filename>
            <mime_type>image/png</mime_type>
            <hash>a6db4749ce57e8ba53a7dd32935610b2</hash>
            <hash_type>MD5</hash_type>
            <filesize>1023</filesize>
            <mtime>2016-01-15 12:36:59</mtime>
            <url>https://pure.iiasa.ac.at/id/eprint/3189/5/small.jpg</url>
          </file>
        </files>
        <eprintid>3189</eprintid>
        <pos>5</pos>
        <placement>5</placement>
        <mime_type>image/png</mime_type>
        <format>other</format>
        <formatdesc>Thumbnails conversion from text to thumbnail_small</formatdesc>
        <language>en</language>
        <security>public</security>
        <main>small.jpg</main>
        <relation>
          <item>
            <type>http://eprints.org/relation/isVersionOf</type>
            <uri>https://pure.iiasa.ac.at/id/document/3235</uri>
          </item>
          <item>
            <type>http://eprints.org/relation/isVolatileVersionOf</type>
            <uri>https://pure.iiasa.ac.at/id/document/3235</uri>
          </item>
          <item>
            <type>http://eprints.org/relation/issmallThumbnailVersionOf</type>
            <uri>https://pure.iiasa.ac.at/id/document/3235</uri>
          </item>
        </relation>
      </document>
      <document id='https://pure.iiasa.ac.at/id/document/17680'>
        <docid>17680</docid>
        <rev_number>1</rev_number>
        <files>
          <file id='https://pure.iiasa.ac.at/id/file/29410'>
            <fileid>29410</fileid>
            <datasetid>document</datasetid>
            <objectid>17680</objectid>
            <filename>indexcodes.txt</filename>
            <mime_type>text/x-c++</mime_type>
            <hash>aa24b4090c9d960298d2cfebee1b50c4</hash>
            <hash_type>MD5</hash_type>
            <filesize>6827</filesize>
            <mtime>2016-01-15 12:37:00</mtime>
            <url>https://pure.iiasa.ac.at/id/eprint/3189/6/indexcodes.txt</url>
          </file>
        </files>
        <eprintid>3189</eprintid>
        <pos>6</pos>
        <placement>6</placement>
        <mime_type>text/x-c++</mime_type>
        <format>other</format>
        <formatdesc>Generate index codes conversion from text to indexcodes</formatdesc>
        <language>en</language>
        <security>public</security>
        <main>indexcodes.txt</main>
        <relation>
          <item>
            <type>http://eprints.org/relation/isVersionOf</type>
            <uri>https://pure.iiasa.ac.at/id/document/3235</uri>
          </item>
          <item>
            <type>http://eprints.org/relation/isVolatileVersionOf</type>
            <uri>https://pure.iiasa.ac.at/id/document/3235</uri>
          </item>
          <item>
            <type>http://eprints.org/relation/isIndexCodesVersionOf</type>
            <uri>https://pure.iiasa.ac.at/id/document/3235</uri>
          </item>
        </relation>
      </document>
      <document id='https://pure.iiasa.ac.at/id/document/81916'>
        <docid>81916</docid>
        <rev_number>2</rev_number>
        <files>
          <file id='https://pure.iiasa.ac.at/id/file/229808'>
            <fileid>229808</fileid>
            <datasetid>document</datasetid>
            <objectid>81916</objectid>
            <filename>WP-88-016.pdf</filename>
            <mime_type>application/pdf</mime_type>
            <hash>58e9e576eea72cfdab8e916fa2d735e8</hash>
            <hash_type>MD5</hash_type>
            <filesize>1321130</filesize>
            <mtime>2018-03-14 07:16:23</mtime>
            <url>https://pure.iiasa.ac.at/id/eprint/3189/7/WP-88-016.pdf</url>
          </file>
        </files>
        <eprintid>3189</eprintid>
        <pos>7</pos>
        <placement>7</placement>
        <mime_type>application/pdf</mime_type>
        <format>other</format>
        <formatdesc>Coversheet version</formatdesc>
        <language>en</language>
        <security>public</security>
        <main>WP-88-016.pdf</main>
        <relation>
          <item>
            <type>http://eprints.org/relation/isVersionOf</type>
            <uri>https://pure.iiasa.ac.at/id/document/3235</uri>
          </item>
          <item>
            <type>http://eprints.org/relation/isVolatileVersionOf</type>
            <uri>https://pure.iiasa.ac.at/id/document/3235</uri>
          </item>
          <item>
            <type>http://eprints.org/relation/isCoversheetVersionOf</type>
            <uri>https://pure.iiasa.ac.at/id/document/3235</uri>
          </item>
        </relation>
      </document>
    </documents>
    <eprint_status>archive</eprint_status>
    <userid>351</userid>
    <dir>disk0/00/00/31/89</dir>
    <datestamp>2016-01-15 01:59:11</datestamp>
    <lastmod>2021-08-27 17:13:23</lastmod>
    <status_changed>2016-01-15 01:59:11</status_changed>
    <type>monograph</type>
    <metadata_visibility>show</metadata_visibility>
    <item_issues_count>2</item_issues_count>
    <creators>
      <item>
        <name>
          <family>Aubin</family>
          <given>J.-P.</given>
        </name>
        <id>7347</id>
      </item>
    </creators>
    <title>Qualitative Equations: The Confluence Case</title>
    <ispublished>pub</ispublished>
    <internal_subjects>
      <item>iis_met</item>
    </internal_subjects>
    <divisions>
      <item>prog_sds</item>
    </divisions>
    <abstract>This paper deals with a domain of Artificial Intelligence known under the name of &quot;qualitative simulation&quot; or &quot;qualitative physics&quot;, to which special volumes of &quot;Artificial Intelligence&quot; (1984) and or &quot;IEEE Transactions on Systems, Man and Cybernetics&quot; (1987) have been devoted. 

It defines the concept of &quot;qualitative frame&quot; of a set, which allows to introduce strict, large and dual confluence frames of a finite dimensional vector-space. 

After providing a rigorous definition of standard, lower and upper qualitative solutions in terms of confluences introduced by De Kleer, it provides a duality criterion for the existence of a strict standard solution to both linear and non linear equations. 

It also furnishes a dual characterization of the existence or upper and lower qualitative solutions to a linear equation. 

These theorems are extended to the case or &quot;inclusions&quot;, where single-valued maps are replaced by set-valued maps. This may be useful for dealing with qualitative properties of maps which are not precisely known, or which are defined by a set of properties, a requirement which is at the heart of qualitative simulation.</abstract>
    <date>1988-03</date>
    <date_type>published</date_type>
    <publisher>WP-88-016</publisher>
    <iiasapubid>WP-88-016</iiasapubid>
    <price>10</price>
    <creators_browse_id>
      <item>1134</item>
    </creators_browse_id>
    <full_text_status>public</full_text_status>
    <monograph_type>working_paper</monograph_type>
    <place_of_pub>IIASA, Laxenburg, Austria</place_of_pub>
    <pages>29</pages>
    <coversheets_dirty>FALSE</coversheets_dirty>
    <fp7_type>info:eu-repo/semantics/book</fp7_type>
  </eprint>
</eprints>
