# School of Mathematics

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Department of Pure Mathematics

Index and spectrum of minimal hypersurfaces arising from the Allen-Cahn construction

3:00 PM Roger Stevens LT09

3:00 PM Roger Stevens LT09

Higher order Cheeger inequalities for the Steklov eigenvalues

3:00 PM Roger Stevens LT09

3:00 PM Roger Stevens LT09

Bounding the invariant spectrum of the Laplacian.

3:00 PM Roger Stevens LT09

Symmetric calorons and the rotation map

3:00 PM Roger Stevens LT09

Harmonic surfaces in rank one symmetric spaces: the Cayley plane case.

3:00 PM MALL1, Level 8, School of Mathematics

Yorkshire Durham Geometry Day

11:30 AM MALL1, Level 8, School of Mathematics

Harmonic maps into G2/SO(4) and their twistor lifts

3:00 PM Roger Stevens LT12

The complex geometry of Teichmüller spaces and bounded symmetric domains

3:00 PM Roger Stevens LT12

The moduli space of two-convex embedded spheres and tori

3:00 PM Roger Stevens LT12

Structure of Non-smooth spaces with Ricci curvature lower bounds

3:00 PM Roger Stevens LT12

11:45 AM Department of Mathematics, The University of Durham

Monopoles and the Sen Conjecture

3:00 PM Roger Stevens LT12

Integrable vortex tubes in three dimensions

3:00 PM Roger Stevens LT12

The coindex of symmetry

3:00 PM Roger Stevens LT12

Symmetry and Low Lying Eigenvalues

3:00 PM Roger Stevens LT12

Geometric inverse problems for connections

3:00 PM Roger Stevens LT12

Eigenvalue estimates for the magnetic Laplacian on Riemannian manifolds

3:00 PM Roger Stevens LT12

Integrable system methods for minimal surfaces

3:00 PM Roger Stevens LT12

A gradient flow for the harmonic map energy that finds minimal immersions

3:00 PM Roger Stevens LT12

11:00 AM Department of Mathematics, The University of York

Ricci flow from spaces with isolated conical singularities

3:00 PM Roger Stevens LT12

Real line arrangements with Hirzebruch property

4:00 PM Roger Stevens LT12

10:30 AM MALLs 1&2

Equivariant minimal surfaces in the complex hyperbolic plane and their Higgs bundles

3:00 PM Roger Stevens LT12

Volumes of minimal hypersurfaces and stationary geodesic nets

3:00 PM Roger Stevens LT12

A charge density for monopoles

3:00 PM Roger Stevens LT12

Compactness questions for triholomorphic maps

3:00 PM Roger Stevens LT03 (note unusual venue!)

Vortex Moduli Spaces and the Space of Holomorphic Maps

3:00 PM Roger Stevens LT12

Yorkshire Durham Geometry Day

11:00 AM CG83, Department of Mathematical Sciences, Durham University

3:00 PM Roger Stevens LT12

Exotic nearly Kähler structures on the 6-sphere and the product of two 3-spheres.

2:00 PM Roger Stevens LT14

Conformally Kähler geometry and quasi-Einstein metrics on toric surfaces

3:00 PM Roger Stevens LT11

Index theory for hyperbolic operators and applications

3:00 PM Roger Stevens LT 11

11:20 AM University of York

The C^0 inextendibility of the Schwarzschild spacetime

3:00 PM MALL 1

3:00 PM MALL 1

3:00 PM MALL 1

4:00 PM Engineering (Houldsworth) LT F (G.07)

4:00 PM Engineering (Houldsworth) LT F (G.07)

4:00 PM Engineering (Houldsworth) LT F (G.07)

Kahler-Einstein metrics on smoothable K-polystable Fano varieties.

4:00 PM Engineering (Houldsworth) LT F (G.07)

Effective geometries in the theory of topological solitons

4:00 PM Engineering (Houldsworth) LT F (G.07)

Vortices and magnetic impurities

4:00 PM Engineering (Houldsworth) LT F (G.07)

Kahler geometry and the Navier-Stokes equations

4:00 PM Engineering (Houldsworth) LT F (G.07)

4:00 PM Engineering (Houldsworth) LT D (G.09)

On some stability results and new exact solutions in the strongly coupled Skyrme-Faddeev model

2:00 PM MALL 1, Physics Research Deck (Note unusual time and location!)

The regularity theory and global estimates for harmonic maps

4:00 PM Engineering (Houldsworth) LT D (G.09)

11:00 AM University of York

Self gravitating holographic dyons in AdS space

4:00 PM Engineering (Houldsworth) LT E (G.08)

Definite connections

4:00 PM Engineering (Houldsworth) LT D (G.09)

Joint Contour Nets: Theory & Applications

2:00 PM MALL 1

Variations on the Hodge theorem

2:00 PM Roger Stevens LT07

Twistors, vector bundles, and nonnegative polynomials

2:00 PM Roger Stevens LT07

Geometric Models of Matter: Charged Particles

2:00 PM Roger Stevens LT07

Conification, the c-map and the HK/QK correspondence

2:00 PM Roger Stevens LT07

The Operator View of Geometry Processing

2:00 PM Roger Stevens LT07

2:00 PM Roger Stevens LT07

Skyrmion scattering.

2:00 PM Roger Stevens LT07

11:00 AM MALL 2

Geometry and Dynamics of Periodic Monopoles

3:00 PM Mall 1

G2-instantons on generalised Kummer constructions

3:00 PM Mall 1

The Sakai-Sugimoto soliton

3:00 PM Mall 1

Characterizing classical minimal surfaces via the entropy differential

2:00 PM Mall 1

A problem of Roger Liouville

2:00 PM

Harmonic maps of finite uniton number and their canonical elements

3:30 PM Leonard Rogers Room

4:00 PM MALL1

Derek Harland (University of Leeds)

2:30 PM MALL1

11:00 AM MALL1

12:30 PM The MALL, level 8, School of Mathematics

11:00 AM University of York

11:00 AM MALL 1

Geometry of extremal black holes

3:00 PM RSLT 13

Is supercurrent coupling the death of knot solitons?

3:00 PM RSLT13

11:00 AM Durham

Shape Analysis and Discrete Laplace-Beltrami Operators

3:00 PM Roger Stevens LT 16

AGIS Colloquium: Gromov--Witten Invariants and Modular Forms

3:00 PM RSLT 24

3:00 PM RSLT 10

From half-flat to exceptional

3:00 PM RSLT 24

Constructions of generalized complex structures in dimension four

3:00 PM RS LT 13

A theorem of existence for Asymptotically Conical Calabi-Yau manifolds

3:00 PM RS LT 16

Exotic monotone Lagrangian tori

3:00 PM RS LT 16

The geometry of constant mean curvature surfaces embedded in R^3

4:00 PM MALL 1

Periods of Cubic Surfaces

3:00 PM MALL 1

Statistics on tree-structured data: Modeling treelike shapes in image analysis

3:00 PM RS LT16

Instantons on noncommutative toric varieties

3:00 PM RSLT 18

Geometry and dynamics of isothermic submanifolds

3:00 PM RSLT 10

Digital images and topology

3:00 PM RSLT 07

3:00 PM Roger Stevens LT 16 (12.16)

Hyperbolic geometry and symplectic manifolds of Fano and Calabi-Yau type

2:30 PM Roger Stevens LT 01 (7.01)

Natural geometry of hyperbolic monopoles

3:00 PM Roger Stevens LT 11 (10.11)

3:00 PM MAGIC Room

3:00 PM RSLT1

Associative submanifolds of the 7-sphere

4:00 PM RSLT 1

3:00 PM RSLT 1

Mirror Symmetry, Langlands duality and the Hitchin system

3:00 PM RSLT16

3:00 PM RSLT 01

Perturbation of Constant Mean Curvature Surfaces in Hyperbolic 3-Space

3:00 PM RSLT 1

First order invariants of one dimensional caustics

2:00 PM Roger Stevens Lecture Theatre 04

The spectral curve of a conformal torus

2:00 PM RSLT 15

2:00 PM MALL 1

2:00 PM MALL 1

3:10 PM Roger Stevens LT11

Mohammed Al-Bahadeli (Leeds)

2:00 PM Roger Stevens LT 11

4:00 PM RSLT13

4:00 PM Magic Room.

4:00 PM RSLT13

Maciej Dunajski (Cambridge)

4:00 PM Roger Stevens Lecture Theatre 13

4:00 PM Roger Stevens Lecture Theatre 13

4:00 PM MALL 2

Kevin Houston (University of Leeds)

2:30 PM MALL 2

Generalised and asymptotic symmetries of hyperkaehler manifolds

3:00 PM Roger Stevens Lecture Theatre 14

3:00 PM Roger Stevens Lecture Theatre 14

3:00 PM Roger Stevens Lecture Theatre 14

## Geometry seminar

### Autumn 2017

#### Wednesday 25th October, 2017

Fritz Hiesmayr (Cambridge)Index and spectrum of minimal hypersurfaces arising from the Allen-Cahn construction

3:00 PM Roger Stevens LT09

#### Wednesday 1st November, 2017

Giuseppe Tinaglia (Kings College London)*TBA*3:00 PM Roger Stevens LT09

#### Wednesday 8th November, 2017

Asma Hassannezhad (Bristol)Higher order Cheeger inequalities for the Steklov eigenvalues

3:00 PM Roger Stevens LT09

#### Wednesday 15th November, 2017

Kirill Krasnov (Nottingham)*TBA*3:00 PM Roger Stevens LT09

#### Wednesday 18th October, 2017

Stuart Hall (Newcastle)Bounding the invariant spectrum of the Laplacian.

3:00 PM Roger Stevens LT09

#### Wednesday 4th October, 2017

Josh Cork (Leeds)Symmetric calorons and the rotation map

3:00 PM Roger Stevens LT09

#### Wednesday 26th July, 2017

Rui Pacheco (Universidade da Beira Interior, Portugal)Harmonic surfaces in rank one symmetric spaces: the Cayley plane case.

3:00 PM MALL1, Level 8, School of Mathematics

#### Wednesday 3rd May, 2017

Eirik Eike Svanes (Jussieu), Marcos Jardim (UNICAMP), Marie-Amelie Lawn (Imperial), Mark Gross (Cambridge)Yorkshire Durham Geometry Day

11:30 AM MALL1, Level 8, School of Mathematics

#### Wednesday 26th April, 2017

Martin Svensson (University of Southern Denmark)Harmonic maps into G2/SO(4) and their twistor lifts

3:00 PM Roger Stevens LT12

#### Wednesday 22nd March, 2017

Stergios Antonakoudis (Cambridge)The complex geometry of Teichmüller spaces and bounded symmetric domains

3:00 PM Roger Stevens LT12

#### Wednesday 15th March, 2017

Reto Buzano (Queen Mary University of London)The moduli space of two-convex embedded spheres and tori

3:00 PM Roger Stevens LT12

#### Wednesday 1st March, 2017

Andrea Mondino (Warwick)Structure of Non-smooth spaces with Ricci curvature lower bounds

3:00 PM Roger Stevens LT12

#### Friday 24th February, 2017

David Cushing (Durham), Ben Lambert (UCL), Andrea Mondino (Warwick), Luc Nguen (Oxford)*Yorkshire and Durham Geometry Day*11:45 AM Department of Mathematics, The University of Durham

#### Wednesday 22nd February, 2017

Michael Singer (University College London)Monopoles and the Sen Conjecture

3:00 PM Roger Stevens LT12

#### Wednesday 8th February, 2017

Bernd Schroers (Heriot-Watt University)Integrable vortex tubes in three dimensions

3:00 PM Roger Stevens LT12

#### Wednesday 1st February, 2017

Jurgen Berndt (Kings College London)The coindex of symmetry

3:00 PM Roger Stevens LT12

#### Wednesday 7th December, 2016

Joe Cook (Loughborough)Symmetry and Low Lying Eigenvalues

3:00 PM Roger Stevens LT12

#### Wednesday 30th November, 2016

Hanming Zhou (Cambridge)Geometric inverse problems for connections

3:00 PM Roger Stevens LT12

#### Wednesday 23rd November, 2016

Norbert Peyerimhoff (Durham)Eigenvalue estimates for the magnetic Laplacian on Riemannian manifolds

3:00 PM Roger Stevens LT12

#### Wednesday 16th November, 2016

Katrin Leschke (Leicester)Integrable system methods for minimal surfaces

3:00 PM Roger Stevens LT12

#### Wednesday 2nd November, 2016

Peter Topping (Warwick)A gradient flow for the harmonic map energy that finds minimal immersions

3:00 PM Roger Stevens LT12

#### Wednesday 26th October, 2016

Ben Sharp (Warwick), Eric Loubeau (Brest), Kenneth Falconer (St Andrews), Wilhelm Klingenberg (Durham)*Yorkshire and Durham Geometry Day*11:00 AM Department of Mathematics, The University of York

#### Wednesday 12th October, 2016

Felix Schulze (University College London)Ricci flow from spaces with isolated conical singularities

3:00 PM Roger Stevens LT12

#### Wednesday 5th October, 2016

Dmitri Panov (Kings College London)Real line arrangements with Hirzebruch property

4:00 PM Roger Stevens LT12

#### Thursday 9th June, 2016

Marina Logares / Felipe Contatto / Gerasim Kokarev / Kai Zheng (Oxford / Cambridge / Leeds / Warwick)*Yorkshire and Durham Geometry Day*10:30 AM MALLs 1&2

#### Wednesday 4th May, 2016

Ian McIntosh (York)Equivariant minimal surfaces in the complex hyperbolic plane and their Higgs bundles

3:00 PM Roger Stevens LT12

#### Wednesday 20th April, 2016

Yevgeny Liokumovich (Imperial College London)Volumes of minimal hypersurfaces and stationary geodesic nets

3:00 PM Roger Stevens LT12

#### Wednesday 16th March, 2016

Derek Harland (Leeds)A charge density for monopoles

3:00 PM Roger Stevens LT12

#### Wednesday 24th February, 2016

Costante Belletini (Cambridge)Compactness questions for triholomorphic maps

3:00 PM Roger Stevens LT03 (note unusual venue!)

#### Wednesday 17th February, 2016

Liu Chih-Chung (National Cheng-Kung University, Taiwan)Vortex Moduli Spaces and the Space of Holomorphic Maps

3:00 PM Roger Stevens LT12

#### Friday 5th February, 2016

Melanie Rupflin (Oxford), Katie Gittins (Bristol), Otis Chodosh (Cambridge), Stefan Wenger (Fribourg)Yorkshire Durham Geometry Day

11:00 AM CG83, Department of Mathematical Sciences, Durham University

#### Wednesday 3rd February, 2016

Andrew Iskauskas (Leeds)*Instantons and Noncommutative Space*3:00 PM Roger Stevens LT12

#### Wednesday 9th December, 2015

Lorenzo Foscolo (Stony Brook)Exotic nearly Kähler structures on the 6-sphere and the product of two 3-spheres.

2:00 PM Roger Stevens LT14

#### Wednesday 2nd December, 2015

Stuart Hall (Buckingham University)Conformally Kähler geometry and quasi-Einstein metrics on toric surfaces

3:00 PM Roger Stevens LT11

#### Wednesday 18th November, 2015

Alex Strohmaier (Loughborough University)Index theory for hyperbolic operators and applications

3:00 PM Roger Stevens LT 11

#### Wednesday 4th November, 2015

Lynn Heller (Tubing), James Waldron (Newcastle), Martin Speight (Leeds), Jason Lotay (University College London)*Yorkshire Durham Geometry Day http://www-users.york.ac.uk/~cmw4/mysite/YorkDay.html*11:20 AM University of York

#### Wednesday 28th October, 2015

Jan Sbierski (University of Cambridge)The C^0 inextendibility of the Schwarzschild spacetime

3:00 PM MALL 1

#### Wednesday 21st October, 2015

Thomas Winyard (Durham University)*Baby Skyrmions in AdS and extensions to the full Skyrme model*3:00 PM MALL 1

#### Wednesday 7th October, 2015

Stephen Flood (University of Leeds)*An introduction to electromagnetic forces on electrons in accelerators*3:00 PM MALL 1

#### Wednesday 6th May, 2015

TBC4:00 PM Engineering (Houldsworth) LT F (G.07)

#### Wednesday 22nd April, 2015

Daniele Dorigoni (Cambridge)4:00 PM Engineering (Houldsworth) LT F (G.07)

#### Wednesday 18th March, 2015

Bruno Simões (University of Lisbon)*On the spectral deformation of harmonic maps from the two-sphere into the unitary group*4:00 PM Engineering (Houldsworth) LT F (G.07)

#### Wednesday 11th March, 2015

Christiano Spotti (Cambridge)Kahler-Einstein metrics on smoothable K-polystable Fano varieties.

4:00 PM Engineering (Houldsworth) LT F (G.07)

#### Wednesday 25th February, 2015

Erico Goulart (Cambridge)Effective geometries in the theory of topological solitons

4:00 PM Engineering (Houldsworth) LT F (G.07)

#### Wednesday 11th February, 2015

Alex Cockburn (Durham University)Vortices and magnetic impurities

4:00 PM Engineering (Houldsworth) LT F (G.07)

#### Wednesday 28th January, 2015

Ian Roulstone (Surrey)Kahler geometry and the Navier-Stokes equations

4:00 PM Engineering (Houldsworth) LT F (G.07)

#### Wednesday 10th December, 2014

Martin Wolf (Surrey)4:00 PM Engineering (Houldsworth) LT D (G.09)

#### Thursday 27th November, 2014

Radu Slobodeanu (University of Bucharest, University of Neuchâtel)On some stability results and new exact solutions in the strongly coupled Skyrme-Faddeev model

2:00 PM MALL 1, Physics Research Deck (Note unusual time and location!)

#### Wednesday 19th November, 2014

Ben Sharp (Imperial College London)The regularity theory and global estimates for harmonic maps

4:00 PM Engineering (Houldsworth) LT D (G.09)

#### Wednesday 29th October, 2014

Fran Burstall (Bath), Magdalena Rodriguez (Granada), Xenia de la Ossa (Oxford), Dimitri Panov (King’s College London)*Yorkshire-Durham Geometry Day*11:00 AM University of York

#### Tuesday 14th October, 2014

Yasha Shnir (Belarisuian State University, Minsk and JINR, Dubna)Self gravitating holographic dyons in AdS space

4:00 PM Engineering (Houldsworth) LT E (G.08)

#### Wednesday 8th October, 2014

Dmitri Panov (King's College London)Definite connections

4:00 PM Engineering (Houldsworth) LT D (G.09)

#### Monday 12th May, 2014

Hamish Carr (Leeds School of Computing)Joint Contour Nets: Theory & Applications

2:00 PM MALL 1

#### Monday 24th March, 2014

Eugenie Hunsicker (Loughborough University)Variations on the Hodge theorem

2:00 PM Roger Stevens LT07

#### Monday 17th March, 2014

Roger Bielawski (Leibniz Universitaet Hannover)Twistors, vector bundles, and nonnegative polynomials

2:00 PM Roger Stevens LT07

#### Monday 10th March, 2014

Guido Franchetti (Heriot-Watt)Geometric Models of Matter: Charged Particles

2:00 PM Roger Stevens LT07

#### Monday 24th February, 2014

Thomas Mohaupt (Liverpool)Conification, the c-map and the HK/QK correspondence

2:00 PM Roger Stevens LT07

#### Monday 17th February, 2014

Maks Ovsjanikov (École polytechnique)The Operator View of Geometry Processing

2:00 PM Roger Stevens LT07

#### Monday 3rd February, 2014

Johannes Nordstrom (Bath)*A new invariant of G_2-structures*2:00 PM Roger Stevens LT07

#### Monday 27th January, 2014

David Foster (Kent)Skyrmion scattering.

2:00 PM Roger Stevens LT07

#### Friday 24th January, 2014

Kevin Houston / Luis Fernandez / Alexander Ritter / Michael Singer (Leeds / Bronx Community College / Oxford / UCL London)*Yorkshire and Durham Geometry Day*11:00 AM MALL 2

#### Tuesday 10th December, 2013

Rafael Maldonado (Durham University)Geometry and Dynamics of Periodic Monopoles

3:00 PM Mall 1

#### Tuesday 26th November, 2013

Thomas Walpuski (Imperial College London)G2-instantons on generalised Kummer constructions

3:00 PM Mall 1

#### Tuesday 12th November, 2013

Stefano Bolognesi (Durham University)The Sakai-Sugimoto soliton

3:00 PM Mall 1

#### Tuesday 29th October, 2013

Thomas Mettler (University of Oxford)Characterizing classical minimal surfaces via the entropy differential

2:00 PM Mall 1

#### Tuesday 22nd October, 2013

Maciej Dunajski (DAMTP, University of Cambridge)A problem of Roger Liouville

2:00 PM

#### Friday 6th September, 2013

Rui Pacheco (Universidade da Beira Interior, Covilhã, Portugal)Harmonic maps of finite uniton number and their canonical elements

3:30 PM Leonard Rogers Room

#### Thursday 18th July, 2013

Eric Loubeau (Brest)*Harmonic Morphisms and Moment Maps*4:00 PM MALL1

Derek Harland (University of Leeds)

*Instantons and Killing Spinors*2:30 PM MALL1

#### Wednesday 6th March, 2013

Michael Markellos, Nuno Romao, Andreas Ott, Jason Lotay (Leeds/ Hausdorff Institute, Bonn/ Cambridge/ UCL)*Yorkshire and Durham Geometry Day*11:00 AM MALL1

#### Thursday 29th November, 2012

Peter Giblin, Mark Spivakovsky, Kevin Houston*Singularity Day*12:30 PM The MALL, level 8, School of Mathematics

#### Wednesday 17th October, 2012

Chris Wood, Norbert Peyerimhof, Aleksandra Borowka, Alexey Bolsinov (York/Durham/Bath/Loughborough)*Yorkshire and Durham Geometry Day*11:00 AM University of York

#### Friday 1st June, 2012

I. McIntosh, S. Salamon, I. Strachan, E. Ferapontov*Yorkshire and Durham Geometry Day*11:00 AM MALL 1

#### Wednesday 25th April, 2012

James Lucietti (University of Edinburgh)Geometry of extremal black holes

3:00 PM RSLT 13

#### Wednesday 21st March, 2012

Juha Jaykka (Leeds)Is supercurrent coupling the death of knot solitons?

3:00 PM RSLT13

#### Wednesday 14th March, 2012

Andre Neves (Imperial), Brendan Guilfoyle (Tralee), and Franz Pedit (Tuebingen)*Yorkshire & Durham Geometry Day*11:00 AM Durham

#### Wednesday 7th March, 2012

Kevin Houston (University of Leeds)Shape Analysis and Discrete Laplace-Beltrami Operators

3:00 PM Roger Stevens LT 16

#### Wednesday 22nd February, 2012

Tom Coates (Imperial College)AGIS Colloquium: Gromov--Witten Invariants and Modular Forms

3:00 PM RSLT 24

#### Wednesday 15th February, 2012

Martin Speight (University of Leeds)*Solitons on tori and soliton crystals*3:00 PM RSLT 10

#### Wednesday 8th February, 2012

Thomas Madsen (King's College London)From half-flat to exceptional

3:00 PM RSLT 24

#### Wednesday 7th December, 2011

Rafael Torres (Oxford)Constructions of generalized complex structures in dimension four

3:00 PM RS LT 13

#### Wednesday 9th November, 2011

Ronan Conlon (MPIM Bonn)A theorem of existence for Asymptotically Conical Calabi-Yau manifolds

3:00 PM RS LT 16

#### Wednesday 2nd November, 2011

Agnes Gadbled (University of Cambridge)Exotic monotone Lagrangian tori

3:00 PM RS LT 16

#### Wednesday 12th October, 2011

Giuseppe Tinaglia (King's College)The geometry of constant mean curvature surfaces embedded in R^3

4:00 PM MALL 1

#### Wednesday 8th June, 2011

Domingo Toledo (University of Utah)Periods of Cubic Surfaces

3:00 PM MALL 1

#### Wednesday 30th March, 2011

Aasa Feragen (University of Copenhagen)Statistics on tree-structured data: Modeling treelike shapes in image analysis

3:00 PM RS LT16

#### Wednesday 23rd March, 2011

Richard Szabo (Heriot-Watt)Instantons on noncommutative toric varieties

3:00 PM RSLT 18

#### Wednesday 26th January, 2011

Fran Burstall (University of Bath)Geometry and dynamics of isothermic submanifolds

3:00 PM RSLT 10

#### Wednesday 17th November, 2010

A.A. du Plessis (University of Aarhus)Digital images and topology

3:00 PM RSLT 07

#### Wednesday 10th November, 2010

Tomasz Brzezinski (Swansea University)*Toward synthetic non-commutative geometry*3:00 PM Roger Stevens LT 16 (12.16)

#### Wednesday 27th October, 2010

Dmitri Panov (King's College)Hyperbolic geometry and symplectic manifolds of Fano and Calabi-Yau type

2:30 PM Roger Stevens LT 01 (7.01)

#### Wednesday 20th October, 2010

Roger Bielawski (University of Leeds)Natural geometry of hyperbolic monopoles

3:00 PM Roger Stevens LT 11 (10.11)

#### Wednesday 12th May, 2010

Michael Singer (Edinburgh)*Extremal Kaehler metrics on blow-ups*3:00 PM MAGIC Room

#### Wednesday 28th April, 2010

Yann Rollin (University of Nantes)*Construction of Kaehler surfaces with constant scalar curvature*3:00 PM RSLT1

#### Wednesday 21st April, 2010

Jason Lotay (Imperial College)Associative submanifolds of the 7-sphere

4:00 PM RSLT 1

#### Wednesday 10th March, 2010

Norbert Peyerimhoff (Durham)*Spectral representations of Archimedean Solids*3:00 PM RSLT 1

#### Wednesday 24th February, 2010

Tamas Hausel (Oxford)Mirror Symmetry, Langlands duality and the Hitchin system

3:00 PM RSLT16

#### Wednesday 17th February, 2010

Roger Bielawski (Leeds)*Poisson equations and completeness of Ricci-flat Kaehler metrics on vector bundles*3:00 PM RSLT 01

#### Wednesday 3rd February, 2010

Thomas Cuschieri (Warwick)Perturbation of Constant Mean Curvature Surfaces in Hyperbolic 3-Space

3:00 PM RSLT 1

#### Thursday 26th November, 2009

Raul Oset Sinha (University of Valencia)First order invariants of one dimensional caustics

2:00 PM Roger Stevens Lecture Theatre 04

#### Thursday 19th November, 2009

Katrin Leschke (University of Leicester)The spectral curve of a conformal torus

2:00 PM RSLT 15

#### Thursday 5th November, 2009

John C Wood (Leeds)*Harmonic morphisms and bicomplex numbers*2:00 PM MALL 1

#### Thursday 15th October, 2009

Radu Ionas (University of Edinburgh)*Quaternionic-Kahler spaces with large toric symmetry*2:00 PM MALL 1

#### Wednesday 15th July, 2009

Azeb Al-Ghanemi (Leeds)*Symmetry Sets of Plane Curves*3:10 PM Roger Stevens LT11

Mohammed Al-Bahadeli (Leeds)

*On the classification of mono-germs under v^K-equivalence*2:00 PM Roger Stevens LT 11

#### Wednesday 17th June, 2009

Alexey Davydov (Vladimir State University, Russia and IIASA, Austria)*Cyclic processes: averaged optimization and profit singularities*4:00 PM RSLT13

#### Wednesday 13th May, 2009

Alexey Davydov (Vladimir State University, Russia and IIASA, Austria)*Cyclic processes: averaged optimization and profit singularities*4:00 PM Magic Room.

#### Wednesday 4th March, 2009

Maciej Dunajski (Cambridge)*Twistor theory and differential equations*4:00 PM RSLT13

Maciej Dunajski (Cambridge)

*Twistor theory and differential equations*4:00 PM Roger Stevens Lecture Theatre 13

#### Wednesday 25th February, 2009

Victor Pidstrygach (Goettingen)*Generalised Seiberg-Witten equations and magnetic monopoles*4:00 PM Roger Stevens Lecture Theatre 13

#### Wednesday 3rd December, 2008

Joey Oliver (University of Durham)*Binary Differential Equations with Discriminant having a Cusp Singularity*4:00 PM MALL 2

Kevin Houston (University of Leeds)

*Vector fields liftable over stable maps*2:30 PM MALL 2

#### Wednesday 12th November, 2008

Roger Bielawski (Leeds)Generalised and asymptotic symmetries of hyperkaehler manifolds

3:00 PM Roger Stevens Lecture Theatre 14

#### Wednesday 5th November, 2008

Roberta Wik Atique (University of Sao Paulo)*On M-deformations of real map-germs*3:00 PM Roger Stevens Lecture Theatre 14

#### Wednesday 29th October, 2008

Martin Speight (Leeds)*Do knot solitons actually model anything?*3:00 PM Roger Stevens Lecture Theatre 14

### Pure mathematics seminars

### Other pure mathematics seminars

- Leeds-York Lie Theory seminar
- North British Functional Analysis seminar
- Singularity Days
- Yorkshire and Durham Geometry Days

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