Geoff Whittle

According to our database, Geoff Whittle authored at least 86 papers between 1984 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2023

Excluded minors are almost fragile II: Essential elements.

Nick Brettell, James G. Oxley, Charles Semple, Geoff Whittle

J. Comb. Theory B, November, 2023

The excluded minors for 2- and 3-regular matroids.

Nick Brettell, James G. Oxley, Charles Semple, Geoff Whittle

J. Comb. Theory B, November, 2023

Bounding Branch-Width.

Susan Jowett, Jasmine Lulani Kaulamatoa, Geoff Whittle

Electron. J. Comb., 2023

2022

<i>N</i>-detachable pairs in 3-connected matroids III: The theorem.

Nick Brettell, Geoff Whittle, Alan Williams

J. Comb. Theory B, 2022

2021

<i>N</i>-detachable pairs in 3-connected matroids II: Life in <i>X</i>.

Nick Brettell, Geoff Whittle, Alan Williams

J. Comb. Theory B, 2021

Fractal classes of matroids.

Dillon Mayhew, Mike Newman, Geoff Whittle

Adv. Appl. Math., 2021

2020

<i>N</i>-detachable pairs in 3-connected matroids I: Unveiling <i>X</i>.

Nick Brettell, Geoff Whittle, Alan Williams

J. Comb. Theory B, 2020

Excluded minors are almost fragile.

Nick Brettell, Ben Clark, James G. Oxley, Charles Semple, Geoff Whittle

J. Comb. Theory, Ser. B, 2020

On Density-Critical Matroids.

Rutger Campbell, Kevin Grace, James G. Oxley, Geoff Whittle

Electron. J. Comb., 2020

2019

On a Generalization of Spikes.

Nick Brettell, Rutger Campbell, Deborah Chun, Kevin Grace, Geoff Whittle

SIAM J. Discret. Math., 2019

A Splitter Theorem for 3-Connected 2-Polymatroids.

James G. Oxley, Charles Semple, Geoff Whittle

Electron. J. Comb., 2019

Matroids with many small circuits and cocircuits.

James G. Oxley, Simon Pfeil, Charles Semple, Geoff Whittle

Adv. Appl. Math., 2019

2018

On Recognizing Frame and Lifted-Graphic Matroids.

Rong Chen, Geoff Whittle

J. Graph Theory, 2018

2017

Excluding Kuratowski graphs and their duals from binary matroids.

Dillon Mayhew, Gordon F. Royle, Geoff Whittle

J. Comb. Theory B, 2017

2016

A Wheels-and-Whirls Theorem for 3-Connected 2-Polymatroids.

James G. Oxley, Charles Semple, Geoff Whittle

SIAM J. Discret. Math., 2016

The Structure of U_{2, 5}, U_{3, 5}-Fragile Matroids.

Ben Clark, Dillon Mayhew, Stefan H. M. van Zwam, Geoff Whittle

SIAM J. Discret. Math., 2016

Certifying non-representability of matroids over prime fields.

Jim Geelen, Geoff Whittle

J. Comb. Theory B, 2016

Tangles and the Mona Lisa.

Reinhard Diestel, Geoff Whittle

CoRR, 2016

Determining a Binary Matroid from its Small Circuits.

James G. Oxley, Charles Semple, Geoff Whittle

Electron. J. Comb., 2016

Connectivity functions and polymatroids.

Susan Jowett, Songbao Mo, Geoff Whittle

Adv. Appl. Math., 2016

2014

Intertwining Connectivity in Matroids.

Rong Chen, Geoff Whittle

SIAM J. Discret. Math., 2014

2013

Tangles, trees, and flowers.

Ben Clark, Geoff Whittle

J. Comb. Theory B, 2013

On preserving matroid 3-connectivity relative to a fixed basis.

Geoff Whittle, Alan Williams

Eur. J. Comb., 2013

Inequivalent representations of matroids over prime fields.

Jim Geelen, Geoff Whittle

Adv. Appl. Math., 2013

Structure in minor-closed classes of matroids.

Jim Geelen, Bert Gerards, Geoff Whittle

Proceedings of the Surveys in Combinatorics 2013, 2013

2012

The structure of graphs with a vital linkage of order 2.

Dillon Mayhew, Geoff Whittle, Stefan H. M. van Zwam

J. Graph Theory, 2012

An upgraded Wheels-and-Whirls Theorem for 3-connected matroids.

James G. Oxley, Charles Semple, Geoff Whittle

J. Comb. Theory B, 2012

Stability, fragility, and Rotaʼs Conjecture.

Dillon Mayhew, Geoff Whittle, Stefan H. M. van Zwam

J. Comb. Theory B, 2012

Capturing matroid elements in unavoidable 3-connected minors.

Deborah Chun, James G. Oxley, Geoff Whittle

Eur. J. Comb., 2012

2011

An Obstacle to a Decomposition Theorem for Near-Regular Matroids.

Dillon Mayhew, Geoff Whittle, Stefan H. M. van Zwam

SIAM J. Discret. Math., 2011

The excluded minors for the class of matroids that are binary or ternary.

Dillon Mayhew, Bogdan Oporowski, James G. Oxley, Geoff Whittle

Eur. J. Comb., 2011

On the asymptotic proportion of connected matroids.

Dillon Mayhew, Mike Newman, Dominic Welsh, Geoff Whittle

Eur. J. Comb., 2011

Exposing 3-separations in 3-connected matroids.

James G. Oxley, Charles Semple, Geoff Whittle

Adv. Appl. Math., 2011

2010

The projective plane is a stabilizer.

Jim Geelen, Geoff Whittle

J. Comb. Theory B, 2010

On inequivalent representations of matroids over non-prime fields.

Jim Geelen, Bert Gerards, Geoff Whittle

J. Comb. Theory B, 2010

2009

On excluded minors for real-representability.

Dillon Mayhew, Mike Newman, Geoff Whittle

J. Comb. Theory B, 2009

Growth rates of minor-closed classes of matroids.

Jim Geelen, Joseph P. S. Kung, Geoff Whittle

J. Comb. Theory B, 2009

Tangles, tree-decompositions and grids in matroids.

Jim Geelen, Bert Gerards, Geoff Whittle

J. Comb. Theory B, 2009

Addendum to matroid tree-width.

Petr Hlinený, Geoff Whittle

Eur. J. Comb., 2009

2008

A chain theorem for matroids.

James G. Oxley, Charles Semple, Geoff Whittle

J. Comb. Theory B, 2008

Wild triangles in 3-connected matroids.

James G. Oxley, Charles Semple, Geoff Whittle

J. Comb. Theory B, 2008

Maintaining 3-connectivity relative to a fixed basis.

James G. Oxley, Charles Semple, Geoff Whittle

Adv. Appl. Math., 2008

2007

Excluding a planar graph from GF(q)-representable matroids.

Jim Geelen, Bert Gerards, Geoff Whittle

J. Comb. Theory B, 2007

The structure of the 3-separations of 3-connected matroids II.

James G. Oxley, Charles Semple, Geoff Whittle

Eur. J. Comb., 2007

2006

Matroid $T$-Connectivity.

Jim Geelen, Bert Gerards, Geoff Whittle

SIAM J. Discret. Math., 2006

On Rota's conjecture and excluded minors containing large projective geometries.

James F. Geelen, Bert Gerards, Geoff Whittle

J. Comb. Theory B, 2006

Obstructions to branch-decomposition of matroids.

James F. Geelen, Bert Gerards, Neil Robertson, Geoff Whittle

J. Comb. Theory B, 2006

Matroid tree-width.

Petr Hlinený, Geoff Whittle

Eur. J. Comb., 2006

2005

Recent work in matroid representation theory.

Geoff Whittle

Discret. Math., 2005

2004

Bridging Separations in Matroids.

James F. Geelen, Petr Hlinený, Geoffrey P. Whittle

SIAM J. Discret. Math., 2004

The structure of the 3-separations of 3-connected matroids.

James G. Oxley, Charles Semple, Geoff Whittle

J. Comb. Theory B, 2004

A short proof of non-GF(5)-representability of matroids.

James F. Geelen, James G. Oxley, Dirk Vertigan, Geoff Whittle

J. Comb. Theory B, 2004

Inequivalent representations of matroids having no U_{3, 6}-minor.

James F. Geelen, Dillon Mayhew, Geoff Whittle

J. Comb. Theory B, 2004

Fork-decompositions of matroids.

Rhiannon Hall, James G. Oxley, Charles Semple, Geoff Whittle

Adv. Appl. Math., 2004

2003

Cliques in dense GF(q)-representable matroids.

James F. Geelen, Geoffrey P. Whittle

J. Comb. Theory B, 2003

Disjoint cocircuits in matroids with large rank.

James F. Geelen, A. M. H. Gerards, Geoffrey P. Whittle

J. Comb. Theory B, 2003

On the excluded minors for the matroids of branch-width <i>k</i>.

James F. Geelen, A. M. H. Gerards, Neil Robertson, Geoff Whittle

J. Comb. Theory B, 2003

2002

On Matroids of Branch-Width Three.

Rhiannon Hall, James G. Oxley, Charles Semple, Geoffrey P. Whittle

J. Comb. Theory B, 2002

Branch-Width and Rota's Conjecture.

James F. Geelen, Geoffrey P. Whittle

J. Comb. Theory B, 2002

Totally Free Expansions of Matroids.

James F. Geelen, James G. Oxley, Dirk Vertigan, Geoffrey P. Whittle

J. Comb. Theory B, 2002

Branch-Width and Well-Quasi-Ordering in Matroids and Graphs.

James F. Geelen, A. M. H. Gerards, Geoff Whittle

J. Comb. Theory B, 2002

Infinite antichains of matroids with characteristic set {<i>p</i>}.

James G. Oxley, Charles Semple, Dirk L. Vertigan, Geoffrey P. Whittle

Discret. Math., 2002

2001

Matroid 4-Connectivity: A Deletion-Contraction Theorem.

James F. Geelen, Geoffrey P. Whittle

J. Comb. Theory B, 2001

2000

On the Excluded Minors for Quaternary Matroids.

James F. Geelen, James G. Oxley, Dirk Vertigan, Geoffrey P. Whittle

J. Comb. Theory B, 2000

On the non-uniqueness of <i>q</i>-cones of matroids.

James G. Oxley, Geoffrey P. Whittle

Discret. Math., 2000

1999

The Parametrized Complexity of Some Fundamental Problems in Coding Theory.

Rodney G. Downey, Michael R. Fellows, Alexander Vardy, Geoff Whittle

SIAM J. Comput., 1999

Stabilizers of Classes of Representable Matroids.

Geoff Whittle

J. Comb. Theory B, 1999

1998

On Maximum-Sized Near-Regular and ⁶Ö{1}-Matroids.

James G. Oxley, Dirk L. Vertigan, Geoff Whittle

Graphs Comb., 1998

On Weak Maps of Ternary Matroids.

James G. Oxley, Geoffrey P. Whittle

Eur. J. Comb., 1998

1997

A 2-Isomorphism Theorem for Hypergraphs.

Dirk L. Vertigan, Geoffrey P. Whittle

J. Comb. Theory B, 1997

1996

On Inequivalent Representations of Matroids over Finite Fields.

James G. Oxley, Dirk L. Vertigan, Geoffrey P. Whittle

J. Comb. Theory B, 1996

Inequivalent representations of ternary matroids.

Geoff Whittle

Discret. Math., 1996

1995

A Characterization of the Matroids Representable over <i>GF</i>(3) and the Rationals.

Geoffrey P. Whittle

J. Comb. Theory B, 1995

1994

Oriented Matroids (A. Bjorner, M. Las Vergnas, B. Sturmfels, N. White, and G. Ziegler).

Geoff Whittle

SIAM Rev., 1994

1993

A Characterization of Tutte Invariants of 2-Polymatroids.

James G. Oxley, Geoffrey P. Whittle

J. Comb. Theory B, 1993

Recognizing Polymatroids Associated with Hypergraphs.

Dirk Vertigan, Geoff Whittle

Comb. Probab. Comput., 1993

Some exluded-minor theorems for a class of polymatroids.

James G. Oxley, Geoff Whittle

Comb., 1993

1992

Connectivity of submodular functions.

James G. Oxley, Geoff Whittle

Discret. Math., 1992

Duality in Polymatroids and Set Functions.

Geoff Whittle

Comb. Probab. Comput., 1992

1991

A Note on the Non-spanning Circuits of a Matroid.

James G. Oxley, Geoff Whittle

Eur. J. Comb., 1991

Tuttle invariants for 2-polymatroids.

James G. Oxley, Geoff Whittle

Proceedings of the Graph Structure Theory, 1991

1990

Quotients of dilworth truncations.

Geoffrey P. Whittle

J. Comb. Theory B, 1990

1989

Dowling group geometries and the critical problem.

Geoff Whittle

J. Comb. Theory B, 1989

1987

Modularity of tangential <i>k</i>-blocks.

Geoff Whittle

J. Comb. Theory B, 1987

1985

An elementary proof that every matroid is an intersection of principal transversal matroids.

Geoffrey P. Whittle

Discret. Math., 1985

1984

On the critical exponent of transversal matroids.

Geoffrey P. Whittle

J. Comb. Theory B, 1984