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            Boris Vernikov           | 
                  
            Ural Federal University           | 
                  
            Saturday June 13           | 
                  
            Special elements of lattices of semigroup varieties           | 
                  
            Vernikov-abstract.pdf           | 
                  
            Vernikov-slides.pdf           | 
                  
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            Emanuele Rodaro           | 
                  
            CMUP, University of Porto           | 
                  
            Saturday June 13           | 
                  
            Decidability vs Undecidability of the word problem in HNN-extensions of inverse semigroups           | 
                  
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            Undecidability_vs_Decidability_HNN.pdf           | 
                  
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            Filipa Soares           | 
                  
            CEMAT/Ciências & ISEL/IPL           | 
                  
            Friday June 12           | 
                  
            The Howson property for semidirect products of semilattices by groups           | 
                  
            AMS_Porto2015_Abstract.pdf           | 
                  
            FSoares_Howson_Porto2015.pdf           | 
                  
            http://arxiv.org/pdf/1412.3048.pdf           | 
              
          
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            Itamar Stein           | 
                  
            Bar-Ilan University           | 
                  
            Wednesday June 10           | 
                  
            The ordinary quiver of the algebra of the monoid of all partial functions on a set.           | 
                  
            abstract1111-20-134.pdf           | 
                  
            QuiverOfPT_n.pdf           | 
                  
            http://arxiv.org/pdf/1502.05794.pdf           | 
              
          
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            John Rhodes           | 
                  
            University of California at Berkeley           | 
                  
            Wednesday June 10           | 
                  
            A survey of finite join irreducible semigroups           | 
                  
            1111-20-213.pdf           | 
                  
            Rhodes_slides.pdf           | 
                  
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            Karl Auinger           | 
                  
            Fakultät für Mathematik, Universität Wien           | 
                  
            Wednesday June 10           | 
                  
            The Ribes--Zalesskii Theorem revisited           | 
                  
            1111-20-165.pdf           | 
                  
            aep2015.pdf           | 
                  
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            Victoria Gould           | 
                  
            University of York           | 
                  
            Friday June 12           | 
                  
            Free idempotent generated semigroups and the endomorphism monoid of a free $G$-act           | 
                  
            porto2015gouldabstract.pdf           | 
                  
            porto20158unpausedgould.pdf           | 
                  
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