Institute of Mathematics, Physics and Mechanics, Ljubljana International Linear Algebra Society University of Ljubljana, Faculty of Mathematics and Physics University of Primorska, Faculty of Mathematics, Natural Sciences and Information Technologies 7th Linear algebra workshop, Ljubljana, 2014 5th Linear algebra workshop, Kranjska Gora, 2008 The Conference in honor of Heydar Radjavi's 70th birthday, Bled, 2005 4th Linear algebra workshop, Bled, 2005 Tourist information: Ljubljana Tourist information: Slovenia