Seymour family

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31	In memory of Seymour Ginsburg 1928 – 2004 Seymour Ginsburg, a pioneer of formal language theory and database theory, passed Add to Reading List Source URL: www.sigmod.org Language: English - Date: 2012-08-10 21:10:45 Mathematical sciences Computer science Abstract family of languages Ginsberg Serge Abiteboul Jurassic Bark Jeffrey Ullman Science Guggenheim Fellows Seymour Ginsburg Sheila Greibach
32	BULLETIN(New Series) OF THE AMERICANMATHEMATICALSOCIETY Volume 28, Number 1, January 1993 Add to Reading List Source URL: www.ams.org Language: English - Date: 2010-03-29 15:27:53 Knot theory Linkless embedding Minor Petersen graph Graph operations Homeomorphism Petersen family Graph structure theorem Robertson–Seymour theorem Graph theory Topological graph theory Planar graphs