 CARMA COLLOQUIUM
 Speaker: Dr Dave Robertson, The University of New England
 Title: Semigroup C*algebras
 Location: Room V205, Mathematics Building (Callaghan Campus) The University of Newcastle
 Time and Date: 4:00 pm, Tue, 7^{th} Mar 2017
 Abstract:
There is to date no overarching classification theorem for C*algebras, which means the theory of C*algebras is an exampledriven field of mathematics. Perhaps the most important class of examples are group C*algebras, which are as old as the field itself. An analogous construction of C*algebras associated to semigroups has been an active area of research among operator algebraists since Coburnâ€™s Theorem regarding the universality of the C*algebra generated a single isometry appeared in the 1960s. In July this year, Newcastle will host the AMSI/AustMS sponsored event "Interactions between operator algebras and semigroups". In this talk I will give a gentle introduction to the theory of semigroup C*algebras and perhaps it will convince some of you to come along and take part in the meeting.
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 CARMA GROUP THEORY RHD MEETING
 Speaker: Dr Dave Robertson, The University of New England
 Title: Quasilatticeordered groups (continued)
 Location: Room V205, Mathematics Building (Callaghan Campus) The University of Newcastle
 Time and Date: 11:00 am, Thu, 3^{rd} Nov 2016
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 CARMA GROUP THEORY RHD MEETING
 Speaker: Dr Dave Robertson, The University of New England
 Title: Quasilatticeordered groups
 Location: Room V205, Mathematics Building (Callaghan Campus) The University of Newcastle
 Time and Date: 11:00 am, Thu, 27^{th} Oct 2016
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