Tree oriented pullbacks

Description:  See the attached file. Date:  2019-01-16 Start Time:   15:00 Speaker:  Flávio Ulhoa Coelho (Univ. São Paulo, Brazil) Institution:  University of São Paulo, Brazil Place:  Room 5.5, Department of Mathematics, U.C. Research Groups: -Algebra and Combinatorics See more:   <Main>

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