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Johann (János) A. Makowsky (born March 12, 1948 in Budapest) is a Hungarian born and naturalized Swiss mathematician who works in mathematical logic and the logical foundations of computer science and combinatorics. He studied at the Swiss Federal Institute of Technology from 1967-73. He was a student in Zürich of E. Specker and H. Läuchli in mathematical logic, (Diploma in Mathematics and Physics 1971, Dr. math.sc. in 1974), of B. Eckmann (Topology and Geometry) and V. Strassen (Algorithmics), and in Warsaw of A. Mostowski and W. Marek, where he spent 1972 as an exchange student. Makowsky held visiting positions at Banach Center in Warsaw (Poland), Stanford University (USA) , Simon Fraser University (Canada), University of Florence (Italy), MIT (USA), Lausanne University and ETH Zurich (Switzerland). He held regular positions at the Free University of Berlin and the Technion - Israel Institute of Technology (Haifa, Israel) where he is a full professor.〔http://www.cs.technion.ac.il/people/faculty/〕 Among his various contributions it is worth mentioning: * In model theory, the solution of two open problems in categoricity theory and his study of logics with various interpolation and compactness properties (partially with S. Shelah and J. Stavi). * In database theory, the first undecidability result of the consequence problem for database dependencies (with A. Chandra and H. Lewis) , his work unifying the Entity-Relationship model and the relational model of databases (with V. Markowitz), and his work on Boyce Codd Normal Form (with E.V. Ravve). * In logic programming, his fundamental studies of Horn formulas and their complexity (partially with B. Mahr and A. Itai) * In graph algorithms, his unifying approach to tree-width and clique-width via model theory, leading to a general theory of graph polynomials and their definability in various logical formalisms (partially with I. Averbouch, B. Courcelle, B. Godlin, T. Kotek, U. Rotics and B. Zilber). Makowsky was a founding member of the European Association of Computer Science Logic in 1992, its vice-president (2002-2004) and president (2004-2009), and was a member of EACSL's executive council till 2014.〔http://eacsl.kahle.ch/organization.html〕 During his presidency he established the EACSL Ackermann Award for outstanding PhD theses in computer science logic. In 2008, an event dedicated to Makowsky on his 60th birthday was co-located with the annual meeting of the EACSL.〔http://csl2008.cs.unibo.it/bridging.html〕 == External links == * (Homepage at the Technion ) * 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Johann Makowsky」の詳細全文を読む スポンサード リンク
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