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Information × Registration Number 0209U005715, 0107U003258 , R & D reports Title Matrix problems, groups and semigroups of matrices popup.stage_title Head Lavrenyuk Yaroslav V., Registration Date 18-03-2009 Organization Taras Shevchenko Kiev university popup.description2 Semitransitive collections of linear operators, semitransitive transformation semigroups, their matrix presentations, distance matrices of finite metric spaces, groups of unitriangular matrices over fields, groups of homeomorphisms of rooted tree's boundary were investigated. It is formulated results that obtained with matrix technique of calculation. Possible ways of their usage in different branches of algebra and discrete mathematics are pointed out.5635 Product Description popup.authors popup.nrat_date 2020-04-02 Close