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Topological Algebraic Structure in the Density Topology and on Souslin Lines

Poerio, Thomas (2008) Topological Algebraic Structure in the Density Topology and on Souslin Lines. Doctoral Dissertation, University of Pittsburgh. (Unpublished)

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Abstract

This research investigates which topological algebraic structures can exist on two types of topological spaces: the real line R with the density topology; and any linearly ordered topological space (LOTS) satisfying the countable chain condition (CCC) that is not separable (i.e. any Souslin Line). Some surprising results are established in the density topology when considering the common group operations on R. Indeed, this research shows that addition and multiplication are not topological group operations in this space. These theorems are then generalized to show that there are no topological group operations on R with the density topology. The case of cancellative topological semigroups, however, is left as an open question.On the other hand, the conditions of existence of topological algebraic structures on Souslin lines is rather completely determined by this work. The main results in this space are that paratopological groups do not exist on any Souslin line, but cancellative topological semigroups do exist. The research on this space culminates with the construction of a cancellative topological semigroup on a Souslin line.


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Details

Item Type: University of Pittsburgh ETD
Status: Unpublished
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Poerio, Thomastjp1@pitt.eduTJP1
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Committee ChairHeath, Robert Wrwheath@pitt.eduRWHEATH
Committee MemberLennard, Christopher Jlennard@pitt.eduLENNARD
Committee MemberGrabner, Garygary.grabner@sru.edu
Committee MemberGartside, Paulgartside@math.pitt.eduPMG20
Date: 3 November 2008
Date Type: Completion
Defense Date: 30 July 2008
Approval Date: 3 November 2008
Submission Date: 6 August 2008
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Institution: University of Pittsburgh
Schools and Programs: Dietrich School of Arts and Sciences > Mathematics
Degree: PhD - Doctor of Philosophy
Thesis Type: Doctoral Dissertation
Refereed: Yes
Uncontrolled Keywords: group; paratopological group; semigroup; Souslin; Suslin; topological algebra; topological group; topological semigroup
Other ID: http://etd.library.pitt.edu/ETD/available/etd-08062008-122955/, etd-08062008-122955
Date Deposited: 10 Nov 2011 19:57
Last Modified: 15 Nov 2016 13:48
URI: http://d-scholarship.pitt.edu/id/eprint/8942

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