|name image_size birth_date known_for article_title
josef paldus 150px 25 november 1935 work in quantum chemistry josef paldus

josef paldus

josef paldus , -lrb- born november 25 , 1935 in bzí , czech republic -rrb- is a distinguished professor emeritus of applied mathematics at the university of waterloo , ontario , canada .
josef paldus became associate professor at the university of waterloo after emigration to canada from -lrb- former -rrb- czechoslovakia in 1968 .
in 1975 he was promoted to full professor at this university and he retired in 2001 .
paldus ' research is mainly in the field of quantum chemistry and especially in the mathematical aspects of it .
he is known for his collaborative work with jiří Čížek on coupled cluster theory .
paldus and Čížek adapted the many-body coupled cluster method to many-electron systems , thus making it a viable method in the study of the electronic correlation that occurs in atoms and molecules .
other well-known work by paldus is the unitary group approach .
this approach regards the computation of hamiltonian matrix elements over `` n '' - electron spin eigenstates that appear in electronic correlation problems .
josef paldus has -lrb- co -rrb- authored over 330 scientific papers .
paldus possesses several doctor degrees : in 1961 he received a phd in physical chemistry at the czechoslovak academy of sciences .
in 1995 he became drsc at the charles university in prague .
in june 2006 he became dr.h.c .
at the comenius university in bratislava and in june 2008 he was awarded the honorary degree `` docteur honoris causa '' by the université louis pasteur in strasbourg , france .
other honors received by paldus are `` inter alia '' : 1981 corresponding member of the european academy of sciences , arts and letters , paris .
1983 fellow of the royal society of canada .
1984 member of the international academy of quantum molecular science .
1985 member of the new york academy of sciences .
1990 member of the board of directors , international society for theoretical chemical physics .
1992 j. heyrovský gold medal of the czechoslovak academy of sciences .
1994 gold medal of the faculty of mathematics and physics , comenius university , bratislava , slovakia .
1995 honorary member of the learned society of the czech republic .
2002 fellow of the fields institute for research in mathematical sciences .
2005 gold medal of charles university .
2007 honorary medal `` de scientia et humanitate optime meritis '' of the academy of sciences of the czech republic , prague , czech republic .
2010 honorary fellowship of the european society of computational methods in sciences and engineering .
2013 fellow of the american institute of physics .
