Talks and seminars I have given

To view the slides for a talk click the link in the right-hand column.
29 May 07 Manchester Galois connections done properly
Classical ring of fractions
GaloisCon.ps.gz
(No slides for this)
22 May 07 Manchester From rings of fractions to localizations. Second session Same as below
15 May 07 Manchester From rings of fractions to localizations. First session RingFracs.ps.gz
02 May 07 Leeds Is the Ackermann function optimal? Ackermann.ps.gz
18 April 07 Swansea Is the Ackermann function optimal? See above
27 Feb 07 Manchester Ranking techniques for posets, with an eye on modules. Second session RankingSecond.ps.gz
20 Feb 07 Manchester Ranking techniques for posets, with an eye on modules. First session RankingFirst.ps.gz
02 Dec 06 Cambridge The topological content of Monotone Bar Induction and the Fan Principle
Joint work with Nicola Gambino
MBIaFan.ps.gz
28 Nov 06
to
01 Dec 06
Cambridge An introduction to Ordinal Notations OrdNotations.ps.gz
16 Nov 06 MFG Ordinal Notations No slides, but see above
23 May 06 Lisbon Syntactic measures of complexity for numeric functions SyntacticMeasures.ps.gz
19 May 06 Coimbra Tiering without tears [Same as above] SyntacticMeasures.ps.gz
15 May 06 Coimbra Boolean reflections of frames BoolRefs.ps.gz
30 March 06 MFG How long is a piece of string? HowLong.ps.gz
09 March 06 MFG Styles of derivation for Propositional Calculus and beyond DervStyle.ps.gz
02 March 06 MFG How big is the continuum? HowBig.ps.gz
07 Dec 05 MFG Trees, fans, football, and freedom of choice Trees.ps.gz
27 July 05 MFG What is a Grothendieck topology? No Slides
20 July 05 MFG What is a sheaf? No Slides
14 July 05 MFG A rational approach to enumeration Rationals.ps.gz
03 May 05 MFG From G\"odel's Theorem to Topological Spaces with some Modal Logic for softies GTtoTS.ps.gz
April 04
to
July 04
MFG A running seminar on lattice constructions and event structures. See the link opposite for details of each session. There was no written material Topics
11 Feb 04 MFG Ehrenfeucht-Fraisse games for quantification No slides
18 Dec 03 MFG A `constructive' proof of the completness of propositional calculus PropCalc.ps.gz
24 Oct 03 MFG Scatological spaces ScatSpace.ps.gz
05 Sep 03 St Andrews The intrinsic complexity of natural number systems Intrinsic.ps.gz
28 Aug 03 MFG Why some people can't count (Tiering without tears) Intrinsic.ps.gz
07 Aug 03 MFG Quantales and linear logic Quantales.ps.gz
05 June 03 MFG Categories of contexts Contexts.ps.gz
30 May 03 MFG Uniform Type Systems UTS.ps.gz
08 May 03 Bath The tiering method of controlling complexity Tiering.ps.gz
07 May 03 Swansea Notations for iterations NotatforIts.ps.gz
06 May 03 Swansea Forms of Recursion and Induction FormsofRec.ps.gz
16 April 03 MFG What is the second order lambda calculus? SecondOrdLcalc.ps.gz
20 Feb 03 MFG !What is Linear Logic? LinLog.ps.gz
31 Jan 03 Birmingham What is and what is not point-free topology? PointfreeTop.ps.gz