On the critical exponent of transversal matroids. - Geoffrey P. Whittle (J. Comb. Theory B, 1984)

An elementary proof that every matroid is an intersection of principal transversal matroids. - Geoffrey P. Whittle (Discret. Math., 1985)

Modularity of tangential k-blocks. - Geoff Whittle (J. Comb. Theory B, 1987)

Dowling group geometries and the critical problem. - Geoff Whittle (J. Comb. Theory B, 1989)

Quotients of dilworth truncations. - Geoffrey P. Whittle (J. Comb. Theory B, 1990)

Tuttle invariants for 2-polymatroids. - James G. Oxley; Geoff Whittle (Graph Structure Theory, 1991)

A Note on the Non-spanning Circuits of a Matroid. - James G. Oxley; Geoff Whittle (Eur. J. Comb., 1991)

Duality in Polymatroids and Set Functions. - Geoff Whittle (Comb. Probab. Comput., 1992)

Connectivity of submodular functions. - James G. Oxley; Geoff Whittle (Discret. Math., 1992)

Some exluded-minor theorems for a class of polymatroids. - James G. Oxley; Geoff Whittle (Comb., 1993)

Recognizing Polymatroids Associated with Hypergraphs. - Dirk Vertigan; Geoff Whittle (Comb. Probab. Comput., 1993)

A Characterization of Tutte Invariants of 2-Polymatroids. - James G. Oxley; Geoffrey P. Whittle (J. Comb. Theory B, 1993)

Oriented Matroids (A. Bjorner, M. Las Vergnas, B. Sturmfels, N. White, and G. Ziegler). - Geoff Whittle (SIAM Rev., 1994)

A Characterization of the Matroids Representable over GF(3) and the Rationals. - Geoffrey P. Whittle (J. Comb. Theory B, 1995)

Inequivalent representations of ternary matroids. - Geoff Whittle (Discret. Math., 1996)

On Inequivalent Representations of Matroids over Finite Fields. - James G. Oxley; Dirk L. Vertigan; Geoffrey P. Whittle (J. Comb. Theory B, 1996)

A 2-Isomorphism Theorem for Hypergraphs. - Dirk L. Vertigan; Geoffrey P. Whittle (J. Comb. Theory B, 1997)

On Weak Maps of Ternary Matroids. - James G. Oxley; Geoffrey P. Whittle (Eur. J. Comb., 1998)

On Maximum-Sized Near-Regular and 6Ö{1}-Matroids. - James G. Oxley; Dirk L. Vertigan; Geoff Whittle (Graphs Comb., 1998)

Stabilizers of Classes of Representable Matroids. - Geoff Whittle (J. Comb. Theory B, 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)

On the non-uniqueness of q-cones of matroids. - James G. Oxley; Geoffrey P. Whittle (Discret. Math., 2000)

On the Excluded Minors for Quaternary Matroids. - James F. Geelen; James G. Oxley; Dirk Vertigan; Geoffrey P. Whittle (J. Comb. Theory B, 2000)

Matroid 4-Connectivity: A Deletion-Contraction Theorem. - James F. Geelen; Geoffrey P. Whittle (J. Comb. Theory B, 2001)

Infinite antichains of matroids with characteristic set {p}. - James G. Oxley; Charles Semple; Dirk L. Vertigan; Geoffrey P. Whittle (Discret. Math., 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)

Totally Free Expansions of Matroids. - James F. Geelen; James G. Oxley; Dirk Vertigan; 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)

On Matroids of Branch-Width Three. - Rhiannon Hall; James G. Oxley; Charles Semple; Geoffrey P. Whittle (J. Comb. Theory B, 2002)

On the excluded minors for the matroids of branch-width k. - James F. Geelen; A. M. H. Gerards; Neil Robertson 001; Geoff 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)

Cliques in dense GF(q)-representable matroids. - James F. Geelen; Geoffrey P. Whittle (J. Comb. Theory B, 2003)

Fork-decompositions of matroids. - Rhiannon Hall; James G. Oxley; Charles Semple; Geoff Whittle (Adv. Appl. Math., 2004)

Inequivalent representations of matroids having no U3, 6-minor. - James F. Geelen; Dillon Mayhew; 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)

The structure of the 3-separations of 3-connected matroids. - James G. Oxley; Charles Semple; Geoff Whittle (J. Comb. Theory B, 2004)

Bridging Separations in Matroids. - James F. Geelen; Petr Hlinený; Geoffrey P. Whittle (SIAM J. Discret. Math., 2004)

Recent work in matroid representation theory. - Geoff Whittle (Discret. Math., 2005)

Matroid tree-width. - Petr Hlinený; Geoff Whittle (Eur. J. Comb., 2006)

Obstructions to branch-decomposition of matroids. - James F. Geelen; Bert Gerards; Neil Robertson 001; Geoff Whittle (J. Comb. Theory B, 2006)

On Rota's conjecture and excluded minors containing large projective geometries. - James F. Geelen; Bert Gerards; Geoff Whittle (J. Comb. Theory B, 2006)

Matroid $T$-Connectivity. - Jim Geelen; Bert Gerards; Geoff Whittle (SIAM J. Discret. Math., 2006)

The structure of the 3-separations of 3-connected matroids II. - James G. Oxley; Charles Semple; Geoff Whittle (Eur. J. Comb., 2007)

Excluding a planar graph from GF(q)-representable matroids. - Jim Geelen; Bert Gerards; Geoff Whittle (J. Comb. Theory B, 2007)

Maintaining 3-connectivity relative to a fixed basis. - James G. Oxley; Charles Semple; Geoff Whittle (Adv. Appl. Math., 2008)

Wild triangles in 3-connected matroids. - James G. Oxley; Charles Semple; Geoff Whittle (J. Comb. Theory B, 2008)

A chain theorem for matroids. - James G. Oxley; Charles Semple; Geoff Whittle (J. Comb. Theory B, 2008)

Addendum to matroid tree-width. - Petr Hlinený; Geoff Whittle (Eur. J. Comb., 2009)

Tangles, tree-decompositions and grids in matroids. - Jim Geelen; Bert Gerards; 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)

On excluded minors for real-representability. - Dillon Mayhew; Mike Newman; Geoff Whittle (J. Comb. Theory B, 2009)

On inequivalent representations of matroids over non-prime fields. - Jim Geelen; Bert Gerards; Geoff Whittle (J. Comb. Theory B, 2010)

The projective plane is a stabilizer. - Jim Geelen; Geoff Whittle (J. Comb. Theory B, 2010)

Exposing 3-separations in 3-connected matroids. - James G. Oxley; Charles Semple; Geoff Whittle (Adv. Appl. Math., 2011)

On the asymptotic proportion of connected matroids. - Dillon Mayhew; Mike Newman; Dominic Welsh; Geoff Whittle (Eur. J. Comb., 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)

An Obstacle to a Decomposition Theorem for Near-Regular Matroids. - Dillon Mayhew; Geoff Whittle; Stefan H. M. van Zwam (SIAM J. Discret. Math., 2011)

Capturing matroid elements in unavoidable 3-connected minors. - Deborah Chun; James G. Oxley; Geoff Whittle (Eur. J. Comb., 2012)

Stability, fragility, and Rotaʼs Conjecture. - Dillon Mayhew; Geoff Whittle; Stefan H. M. van Zwam (J. Comb. Theory B, 2012)

An upgraded Wheels-and-Whirls Theorem for 3-connected matroids. - James G. Oxley; Charles Semple; Geoff Whittle (J. Comb. Theory B, 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)

Structure in minor-closed classes of matroids. - Jim Geelen; Bert Gerards; Geoff Whittle (Surveys in Combinatorics, 2013)

Inequivalent representations of matroids over prime fields. - Jim Geelen; Geoff Whittle (Adv. Appl. Math., 2013)

On preserving matroid 3-connectivity relative to a fixed basis. - Geoff Whittle; Alan Williams (Eur. J. Comb., 2013)

Tangles, trees, and flowers. - Ben Clark; Geoff Whittle (J. Comb. Theory B, 2013)

Intertwining Connectivity in Matroids. - Rong Chen 002; Geoff Whittle (SIAM J. Discret. Math., 2014)

Connectivity functions and polymatroids. - Susan Jowett; Songbao Mo; Geoff Whittle (Adv. Appl. Math., 2016)

Determining a Binary Matroid from its Small Circuits. - James G. Oxley; Charles Semple; Geoff Whittle (Electron. J. Comb., 2016)

Tangles and the Mona Lisa. - Reinhard Diestel; Geoff Whittle (CoRR, 2016)

Certifying non-representability of matroids over prime fields. - Jim Geelen; Geoff Whittle (J. Comb. Theory B, 2016)

The Structure of U2, 5, U3, 5-Fragile Matroids. - Ben Clark; Dillon Mayhew; Stefan H. M. van Zwam; Geoff Whittle (SIAM J. Discret. Math., 2016)

A Wheels-and-Whirls Theorem for 3-Connected 2-Polymatroids. - James G. Oxley; Charles Semple; Geoff Whittle (SIAM J. Discret. Math., 2016)

Excluding Kuratowski graphs and their duals from binary matroids. - Dillon Mayhew; Gordon F. Royle; Geoff Whittle (J. Comb. Theory B, 2017)

On Recognizing Frame and Lifted-Graphic Matroids. - Rong Chen 002; Geoff Whittle (J. Graph Theory, 2018)

Matroids with many small circuits and cocircuits. - James G. Oxley; Simon Pfeil; Charles Semple; Geoff Whittle (Adv. Appl. Math., 2019)

A Splitter Theorem for 3-Connected 2-Polymatroids. - James G. Oxley; Charles Semple; Geoff Whittle (Electron. J. Comb., 2019)

On a Generalization of Spikes. - Nick Brettell; Rutger Campbell; Deborah Chun; Kevin Grace 001; Geoff Whittle (SIAM J. Discret. Math., 2019)

On Density-Critical Matroids. - Rutger Campbell; Kevin Grace 001; James G. Oxley; Geoff Whittle (Electron. J. Comb., 2020)

Excluded minors are almost fragile. - Nick Brettell; Ben Clark; James G. Oxley; Charles Semple; Geoff Whittle (J. Comb. Theory, Ser. B, 2020)

N-detachable pairs in 3-connected matroids I: Unveiling X. - Nick Brettell; Geoff Whittle; Alan Williams (J. Comb. Theory B, 2020)

Fractal classes of matroids. - Dillon Mayhew; Mike Newman; Geoff Whittle (Adv. Appl. Math., 2021)

N-detachable pairs in 3-connected matroids II: Life in X. - Nick Brettell; Geoff Whittle; Alan Williams (J. Comb. Theory B, 2021)

N-detachable pairs in 3-connected matroids III: The theorem. - Nick Brettell; Geoff Whittle; Alan Williams (J. Comb. Theory B, 2022)

Bounding Branch-Width. - Susan Jowett; Jasmine Lulani Kaulamatoa; Geoff Whittle (Electron. J. Comb., 2023)

The excluded minors for 2- and 3-regular matroids. - Nick Brettell; James G. Oxley; Charles Semple; Geoff Whittle (J. Comb. Theory B, 2023)

Excluded minors are almost fragile II: Essential elements. - Nick Brettell; James G. Oxley; Charles Semple; Geoff Whittle (J. Comb. Theory B, 2023)

What is a $4$-Connected Matroid? - Nick Brettell; Susan Jowett; James G. Oxley; Charles Semple; Geoff Whittle (Electron. J. Comb., 2025)