Previous Seminar Series
Cape Town Research Group in Topology and Category Theory


2007 2006 2005 2004 2003 2002 2001

Seminars 2007

 

   

 

06.11.2007

Professor Bernhard Banaschewski Nonmeasurable cardinals in pointfree topology

M111 Maths & Appl. Maths Dept., UCT
16:00 to 17:00

29.05.2007

Prof Hans-Peter Künzi, University of Cape Town Quasi-uniform spaces

M111 Maths & Appl. Maths Dept., UCT
16:00 to 17:00

24.04.2007

Tamar Janelidze, University of Cape Town E-relations in a relative homology category

M111 Maths & Appl. Maths Dept., UCT
16:00 to 17:00

27.03.2007

Dr Zurab Janelidze, University of Cape Town Cover relations: A unified setting for certain factorization systems and certain monoidal structures M111 Maths & Appl. Maths Dept., UCT
16:00 to 17:00

06.03.2007

Charly Makitu, University of Cape Town The B-completion of quasi-pseudometric spaces (part 2) M111 Maths & Appl. Maths Dept., UCT
16:00 to 17:00

27.02.2007

Charly Makitu, University of Cape Town The B-completion of quasi-pseudometric spaces M111 Maths & Appl. Maths Dept., UCT
16:00 to 17:00

 

Seminars 2006

28.11.2006

EP de Jager, Cape Town The origins of partial quasi-metrics and their applications

M111 Maths & Appl. Maths Dept., UCT
16:00 to 16:45

31.10.2006

Prof. B. Banaschewski, Mc Master University, Canada On the sheaf representation of Gelfand rings

M111 Maths & Appl. Maths Dept., UCT
16:00 to 17:30

24.10.2006

Paul Taylor, www.cs.man.ac.uk/~pt/ASD Countably based locally compact spaces/locales/frames

M111 Maths & Appl. Maths Dept., UCT
16:00 to 17:30

17.10.2006

Dr. Christophe van Olmen, University of Antwerp, Belgium Separation axioms with approach frames

M111 Maths & Appl. Maths Dept., UCT
16:00 to 17:00

10.10.2006

Prof. B. Banaschewski, Mc Master University, Canada On the representation of archimedean f-rings

M111 Maths & Appl. Maths Dept., UCT
16:00 to 17:30

03.10.2006

Dr Seithuti Moshokoa, UNISA Extensions of real-valued continuous maps

M111 Maths & Appl. Maths Dept., UCT
16:00 to 17:00

05.09.2006

Ms Tamar Janelidze, University of Cape Town Relative homological categories

M111 Maths & Appl. Maths Dept., UCT
16:00 to 17:00

08.08.2006

Dr. Zurab Janelidze, University of Cape Town Closedness properties of internal relations in universal and categorical algebra

M111 Maths & Appl. Maths Dept., UCT
16:00 to 17:00

25.04.2006

Mr. Jumani Clarke,  University of Cape Town Continuous Sigma-Frames Revisited

M213 Maths & Appl. Maths Dept., UCT
16:00 to 17:30

04.04.2006

Prof. H.-P. Kunzi, University of Cape Town Some Remarks about Analytic Topology

M309 Maths & Appl. Maths Dept., UCT
16:00 to 18:00

28.02 & 28.03.2006

Prof. Dieter Spreen, University of Siegen, Germany

A domain model for constructive higher-order propositional logics

M111 Maths & Appl. Maths Dept., UCT
16:00 to 17:30

14.02.2006

Prof. E. Giuli, Universita di l'Aquila, Italy

Affine sets and bitopology II

M111 Maths & Appl. Maths Dept., UCT
15:00 to 16:30

07.02.2006

Prof. E. Giuli, Universita di l'Aquila, Italy

Affine sets and bitopology I

M111 Maths & Appl. Maths Dept., UCT
15:00 to 16:30

 

Seminars 2005

 Date Speaker  Topic

 Venue & Time

18.10.2005

Prof. B. Banaschewski, Mc Master University, Canada Baire sets versus the Boolean reflection of s-frames M111 Maths & Appl. Maths Dept., UCT
16:00 to 17:30

04.10.2005

Prof. B. Banaschewski, Mc Master University, Canada New aspects of the cozero part of a frame, III M111 Maths & Appl. Maths Dept., UCT
16:00 to 17:30

27.09.2005

Prof. B. Banaschewski, Mc Master University, Canada New aspects of the cozero part of a frame, II M111 Maths & Appl. Maths Dept., UCT
16:00 to 17:30

22.09.2005

Prof. B. Banaschewski, Mc Master University, Canada New aspects of the cozero part of a frame, I M213 Maths & Appl. Maths Dept., UCT
16:00 to 17:30

14.09.2005

Anneke Gerlo and Eva Vandersmissen, VUB, Belgium Firm completions in metrically generated theories M111 Maths & Appl. Maths Dept., UCT
16:00

13.09.2005

Prof Petrus H. Potgieter, University of South Africa "Hypercomputing" Zeno machines M111 Maths & Appl. Maths Dept., UCT
16:00

06.09.2005

Dr. David Gay, University of Cape Town Open book decompositions of 3-manifolds M111 Maths & Appl. Maths Dept., UCT
16:00

30.08.2005

Jumani Clarke, University of Cape Town The Soberification of Sigma-Spaces M111 Maths & Appl. Maths Dept., UCT
16:00

16&23.08.2005

Gareth Boxall, University of Cape Town Generalising the Concordant-Dissonant Factorisation M111 Maths & Appl. Maths Dept., UCT
16:00

26.07.2005

Dr Senol Dost, Hacettepe University, Ankara, Turkey Products and coproducts in categories of textures. M111 Maths & Appl. Maths Dept., UCT
16:00

19.07.2005

Dr Aisling McCluskey, National University of Ireland, Galway Representing posets in P(R) M111 Maths & Appl. Maths Dept., UCT
16:00

24.05.2005

Prof Ingrid Rewitzky, University of Stellenbosch Duality via Truth M111 Maths & Appl. Maths Dept., UCT
16:00

12&26.04 03.05.2005

Prof. Hans-Peter Künzi, University of Cape Town The theory of quasi-uniformities M304 Maths & Appl. Maths Dept., UCT
16:00

29.03.2005

Taewon Yang, University of Cape Town Some Remarks on f-Rings in Pointfree Topology M304 Maths & Appl. Maths Dept., UCT
16:00

14.03.2005

Christoph Schubert, Bremen University, Germany Every fiber-small topological category is a category of lax algebras M304 Maths & Appl. Maths Dept., UCT
16:00

08.03.2005

Christoph Schubert, Bremen University, Germany A Tychonoff Theorem for lax algebras 3021 Maths  Dept., Stellenbosch
16:00

01.03.2005

Dr. Homeira Pajoohesh, Cork University, Ireland Natural topologies and partial metrics for lattice ordered abelian groups (joint work with M. Henriksen and R. Kopperman) M304 Maths & Appl. Maths Dept., UCT
16:00


Seminars 2004

 Date Speaker  Topic  Venue & Time

29.11.04

Birthday Colloquim on the occasion of Prof. Keith Hardie's 75th birthday and Prof. Guillaume Brummer's 70th birthday

14h00 Prof. Bruemmer
14h15 Prof. Hardie
14h30 Prof. Witbooi
15h00 Prof. Gilmour
15h15 Prof. Sambin
15h45 Prof. Spreen
16h15 Prof. Kunzi

After 16h30: Coffee in the University Club

M304 Maths & Appl. Maths Dept., UCT
14:00-16:30

26.10 & 04.11.04

Prof. B. Banaschewski (McMaster University, Hamilton, Canada) On the function rings of pointfree topology M111 Maths & Appl. Maths Dept., UCT
14:00

05.10.04

Prof. B. Banaschewski (McMaster University, Hamilton, Canada) On the CCC characterization of the function rings of pointfree topology M111 Maths & Appl. Maths Dept., UCT
16:00

28.09.04

Prof. D. Spreen (University of Cape Town) Uniform approximation in domains M304 Maths & Appl. Maths Dept., UCT
16:10

22.09.04

Prof. B. Banaschewski (McMaster University, Hamilton, Canada) On the CCC characterization of the function rings of pointfree topology M111 Maths & Appl. Maths Dept., UCT
16:00

14.09.04

V. Brattka, University of Cape Town A Computable Version of Kolmogorov's Superposition Theorem - From Hilbert's 13th Problem to the Theory of Neural Networks M304 Maths & Appl. Maths Dept., UCT
16:00

07.09.04

Nobuyuki Oda TBA M304 Maths & Appl. Maths Dept., UCT
16:00

17.08.04

Howard Marcum, The Ohio State University at Newark, USA A quaternary box bracket operation M304 Maths & Appl. Maths Dept., UCT
16:00

10.08.04

Gareth Boxall, University of Cape Town Cantor Diagrams M304 Maths & Appl. Maths Dept., UCT
16:00

27.07.04

D. Deses, Free University of Brussels, Belgium An Introduction to Non-Archimedean Structures M304 Maths & Appl. Maths Dept., UCT
16:00

20.07.04

Prof. Yukinobu Yajima, Kanagawa University, Yokohama, Japan Special Refinements and Their Applications on Products M304 Maths & Appl. Maths Dept., UCT
16:00

13.07.04

Prof. Mara D. Neusel, Texas Tech University, USA Introduction to Invariant Theory of Finite Groups M304 Maths & Appl. Maths Dept., UCT
16:00

12.07.04

Prof. S.K. Acharyya, Department of Pure Mathematics, University of Calcutta, West Bengal, India On the existence of minimal subrings of C(X) M111 Maths & Appl. Maths Dept., UCT
16:00

20.06.04

Prof. Yukinobu Yajima, Kanagawa University, Yokohama, Japan Special Refinements and Their Applications on Products M304 Maths & Appl. Maths Dept., UCT
16:00

13.06.04

Prof. Mara D. Neusel, Texas Tech University, USA Introduction to Invariant Theory of Finite Groups M304 Maths & Appl. Maths Dept., UCT
16:00

04.05.04

Prof. Austin Melton, Kent State University, Ohio. Connections and Correspondences M304 Maths & Appl. Maths Dept., UCT
16:00

30.03 & 06, 13.04.04

Eliza de Jager Introduction to the Lattice of Quasi-Uniformities M304 Maths & Appl. Maths Dept., UCT
16:00

24.02 & 02, 16.03.04

Alfred Ndibu Introduction to Infinite-Dimensional Topology M304 Maths & Appl. Maths Dept., UCT
16:00

 

Seminars 2003

 Date Speaker  Topic  Venue & Time

18.11.03

Prof B. Banaschewski (McMaster) Remarks on the function ring functor. A new approach to its left adjoint and some ramifications. M213 Maths & Appl. Maths Dept., UCT
16:00

11.11.03

Prof B. Banaschewski (McMaster) AFT vs AC M213 Maths & Appl. Maths Dept., UCT
15:30

21 & 28.10.03

Prof B. Banaschewski (McMaster) Projectivity in Frm: a general setting M213 Maths & Appl. Maths Dept., UCT
16:00

23.09.03

Prof B. Banaschewski (McMaster) Lindeloef uniform frames and the Axiom of Countable Choice M213 Maths & Appl. Maths Dept., UCT
16:00

19.08. & 02.09.03

Dr P.Ghosh (UCT) Rings of Quotients of Rings of Functions M213 Maths & Appl. Maths Dept., UCT
16:00

05.08.03

Dr M. Sioen (Free University Brussels) Some thoughts on the tea-zero problem M213 Maths & Appl. Maths Dept., UCT
16:00
22 & 29.07.03

A. Batubenge (UCT)

Tangent Structures in the Category of Froelicher Spaces

M213 Maths & Appl. Maths Dept., UCT
16:00

16, 23 & 28.05.03

Dr J. Frith (Cape Town) Transitive QU's on Topological Spaces M213 Maths & Appl. Maths Dept., UCT
16:00

02 & 08.05.03

Prof G.C.L. Brümmer (Cape Town) Transitive QU's on Topological Spaces M213 Maths & Appl. Maths Dept., UCT
16:00

18.03.03

Dr D. Holgate (Stellenbosch) Connectedness and disconnectedness - a categorical insight M304 Maths & Appl. Maths Dept., UCT
16:00

04.03.03

Prof K. Hardie (Cape Town) Circle multiplications and a higher order Hopf construction M304 Maths & Appl. Maths Dept., UCT
16:00

14.02.03

Prof E. Giuli (l'Aquila) Functorial Topology M304 Maths & Appl. Maths Dept., UCT
14:00

 

Seminars 2002

 Date Speaker  Topic  Venue & Time

19.11.02

Prof B Banaschewski (McMaster University, Canada) Aspects of Paracompactness
M213 Maths & Appl. Maths Dept., UCT
16:00

12.11.02

Prof. S. Dolecki (Dijon, France) Convergence-theoretic methods in topology M213 Maths & Appl. Maths Dept., UCT
16:00

10 & 17.10.02

Prof B Banaschewski (McMaster University, Canada) On the naive view of local compactness M304 Maths & Appl. Maths Dept., UCT
16:00

03.10.02

Dr PP Ghosh Rings of continuous functions with compact support M304 Maths & Appl. Maths Dept., UCT
16:00

19.09.02
26.09.02

Prof B Banaschewski (McMaster University, Canada) Complete regularity and Stone-Cech revisited M304 Maths & Appl. Maths Dept., UCT
16:00

10.09.02
12.09.02

Prof Horst Herrlich (University of Bremen, Germany) Thoughts about the Axiom of Choice I and II M304 Maths & Appl. Maths Dept., UCT
17:02 and 16:00

08.08.02
4-week series

Dr PP Ghosh Topos Theory M304 Maths & Appl. Maths Dept., UCT
16:00

30.07.02 & 06.08.02

Prof A. Pillay (University of Illinois, Urbana-Champaign, USA) o-minimality M304 Maths & Appl. Maths Dept., UCT
16:00

14.05.02 & 25.07.02

Dr. PP Ghosh Rings of Ordered Field Valued Continuous Functions M304 Maths & Appl. Maths Dept., UCT
16:00

07.05.02

Prof Keith Hardie Developments in non-Hausdorff homotopy M304 Maths & Appl. Maths Dept., UCT
16:00

23.04.02 & 30.04.02

James Turton Topological Transformation Groups M304 Maths & Appl. Maths Dept., UCT
16:00

09.04.02

Dr Mark Sioen (Vrije Universiteit Brussels, Belgium) Fitting proximities into the approach picture M304 Maths & Appl. Maths Dept., UCT
16:00

27.02.02 to 19.03.02

Dr Anneliese Schauerte Domain theory and the theory of fractals M304 Maths & Appl. Maths Dept., UCT
16:35

13.02.02

Prof. Dieter Spreen (University of Siegen, Germany) On function preserving levels of approximations M212 Maths & Appl. Maths Dept., UCT
16:15

06.02.02

Zechariah Mushaandja Local compactness in frames M304 Maths & Appl. Maths Dept., UCT
16:15

30.01.02

Augustin Batubenge Introduction to Frölicher spaces M212 Maths & Appl. Maths Dept., UCT
16:15

23.01.02

Onesmus Shuungula  Sheaves as Omega-sets M212 Maths & Appl. Maths Dept., UCT
16:15

 

Seminars 2001

12.12.01
Prof. Hans-Peter Künzi Methods from topological algebra applied to problems in combinatorics. M212 Maths & Appl. Maths Dept., UCT
16:15

28.11.01
Prof. Bernhard Banaschewski (McMaster University, Canada) Order completeness of rings of functions M212 Maths & Appl. Maths Dept., UCT
16:15

17.10.01 to 21.11.01
Prof. Bernhard Banaschewski (McMaster University, Canada) Nearness in semilattices and partially ordered sets revisited M213 Maths & Appl. Maths Dept., UCT
16:15

 10.10.01
Prof. Guillaume Brümmer (UCT)  Idempotent endofunctors M212 Maths & Appl. Maths Dept., UCT
16:15

18.09.01 to 03.10.01
Prof. Bernhard Banaschewski (McMaster University, Canada) Point-free version of Stone's real-valued Gelfand duality M213 Maths & Appl. Maths Dept., UCT
16:15

 31.07.01
Dr Nizar Marcus (University of the Western Cape) On atomless Boolean algebras M213 Maths & Appl. Maths Dept., UCT
16:00

 19.07.01
Prof. Wieslaw Sasin (Technical University of Warsaw, Poland) On some quotient differential space M213 Maths & Appl. Maths Dept., UCT
15:00

 09.07.01
Prof. Tom Richmond (Western Kentucky University, USA) Remainders and semilattices of ordered compactifications M213 Maths & Appl. Maths Dept., UCT
16:00

 25.06.01
Prof I. Reilly (University of Auckland, New Zealand) On generalised closed sets in topological spaces. M213 Maths & Appl. Maths Dept., UCT
16:00

 27.03.01
Prof E. Giuli (University of l'Aquila, Italy) Geometric categories and the Zariski closure operator M213 Maths & Appl. Maths Dept., UCT
16:00

 22.02.01 to 20.03.01
Prof. H.-E. Porst (University of Bremen, Germany) From varieties of algebras to covarieties of coalgebras (5-Lecture Series) Final lecture: Room 2016, Maths Dept., Stellenbosch
16:00