A two dimensional Steinhaus theorem. - James F. Geelen; R. Jaime Simpson (Australas. J Comb., 1993)

Computational methods for the diameter restricted minimum weight spanning tree problem. - N. R. Achuthan; Lou Caccetta; P. Caccetta; James F. Geelen (Australas. J Comb., 1994)

The Optimal Path-Matching Problem. - William H. Cunningham; James F. Geelen (Comb., 1997)

A Generalization of Tutte's Characterization of Totally Unimodular Matrices. - James F. Geelen (J. Comb. Theory B, 1997)

Principally Unimodular Skew-Symmetric Matrices. - André Bouchet; William H. Cunningham; James F. Geelen (Comb., 1998)

Integral Solutions of Linear Complementarity Problems. - William H. Cunningham; James F. Geelen (Math. Oper. Res., 1998)

On matroids without a non-Fano minor. - James F. Geelen (Discret. Math., 1999)

An Algebraic Matching Algorithm. - James F. Geelen (Comb., 2000)

The Excluded Minors for GF(4)-Representable Matroids. - James F. Geelen; A. M. H. Gerards; Ajai Kapoor (J. Comb. Theory B, 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)

Packing Odd Circuits in Eulerian Graphs. - James F. Geelen; Bertrand Guenin (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)

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 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)

The linear delta-matroid parity problem. - James F. Geelen; Satoru Iwata 001; Kazuo Murota (J. Comb. Theory B, 2003)

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

Embedding grids in surfaces. - James F. Geelen; R. Bruce Richter; Gelasio Salazar (Eur. J. Comb., 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)

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

Matroid Matching Via Mixed Skew-Symmetric Matrices. - James F. Geelen; Satoru Iwata 001 (Comb., 2005)

Regular matroid decomposition via signed graphs. - James F. Geelen; Bert Gerards (J. Graph Theory, 2005)

The neural basis for novel semantic categorization. - Phyllis Koenig; Edward E. Smith; Guila Glosser; Christian Devita; Peachie Moore; Corey McMillan; James F. Geelen; Murray Grossman (NeuroImage, 2005)

Packing Non-Zero A-Paths In Group-Labelled Graphs. - Maria Chudnovsky; Jim Geelen; Bert Gerards; Luis A. Goddyn; Michael Lohman; Paul D. Seymour (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)

Rota's Basis Conjecture for Paving Matroids. - Jim Geelen; Peter J. Humphries (SIAM J. Discret. Math., 2006)

A Splitter Theorem for Internally 4-Connected Binary Matroids. - Jim Geelen; Xiangqian Zhou (SIAM J. Discret. Math., 2006)

On Integer Programming and the Branch-Width of the Constraint Matrix. - William H. Cunningham; Jim Geelen (IPCO, 2007)

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

On Rota's Basis Conjecture. - Jim Geelen; Kerri Webb (SIAM J. Discret. Math., 2007)

Some open problems on excluding a uniform matroid. - Jim Geelen (Adv. Appl. Math., 2008)

An algorithm for packing non-zero A -paths in group-labelled graphs. - Maria Chudnovsky; William H. Cunningham; Jim Geelen (Comb., 2008)

Generating weakly 4-connected matroids. - Jim Geelen; Xiangqian Zhou (J. Comb. Theory B, 2008)

Straight line embeddings of cubic planar graphs with integer edge lengths. - Jim Geelen; Anjie Guo; David McKinnon (J. Graph Theory, 2008)

Excluding a group-labelled graph. - Jim Geelen; Bert Gerards (J. Comb. Theory B, 2009)

On the odd-minor variant of Hadwiger's conjecture. - Jim Geelen; Bert Gerards; Bruce A. Reed; Paul D. Seymour; Adrian Vetta (J. Comb. Theory B, 2009)

Tangles, tree-decompositions and grids in matroids. - Jim Geelen; Bert Gerards; Geoff Whittle (J. Comb. Theory B, 2009)

Projective geometries in dense matroids. - Jim Geelen; Kasper Kabell (J. Comb. Theory B, 2009)

The Erdös-Pósa property for matroid circuits. - Jim Geelen; Kasper Kabell (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)

Circle graph obstructions under pivoting. - Jim Geelen; Sang-il Oum (J. Graph Theory, 2009)

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

The number of points in a matroid with no n-point line as a minor. - Jim Geelen; Peter Nelson (J. Comb. Theory B, 2010)

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

Small cocircuits in matroids. - Jim Geelen (Eur. J. Comb., 2011)

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

On minor-closed classes of matroids with exponential growth rate. - Jim Geelen; Peter Nelson (Adv. Appl. Math., 2013)

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

Characterizing graphic matroids by a system of linear equations. - Jim Geelen; Bert Gerards (J. Comb. Theory B, 2013)

A geometric version of the Andrásfai-Erdős-Sós Theorem. - Jim Geelen (Adv. Appl. Math., 2014)

An analogue of the Erdős-Stone theorem for finite geometries. - Jim Geelen; Peter Nelson (Comb., 2015)

The number of lines in a matroid with no U2, n-minor. - Jim Geelen; Peter Nelson (Eur. J. Comb., 2015)

Representability of matroids with a large projective geometry minor. - Jim Geelen; Rohan Kapadia (J. Comb. Theory B, 2015)

A density Hales-Jewett theorem for matroids. - Jim Geelen; Peter Nelson (J. Comb. Theory B, 2015)

Projective geometries in exponentially dense matroids. I. - Jim Geelen; Peter Nelson (J. Comb. Theory B, 2015)

Matroids denser than a clique. - Jim Geelen; Peter Nelson (J. Comb. Theory B, 2015)

Matroid 3-connectivity and branch width. - Jim Geelen; Stefan H. M. van Zwam (J. Comb. Theory B, 2015)

On Rota's Conjecture and nested separations in matroids. - Shalev Ben-David; Jim Geelen (J. Comb. Theory B, 2016)

The critical number of dense triangle-free binary matroids. - Jim Geelen; Peter Nelson (J. Comb. Theory B, 2016)

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

Odd circuits in dense binary matroids. - Jim Geelen; Peter Nelson (Comb., 2017)

The structure of matroids with a spanning clique or projective geometry. - Jim Geelen; Peter Nelson (J. Comb. Theory B, 2017)

Computing Girth and Cogirth in Perturbed Graphic Matroids. - Jim Geelen; Rohan Kapadia (Comb., 2018)

Infinitely many excluded minors for frame matroids and for lifted-graphic matroids. - Rong Chen 002; Jim Geelen (J. Comb. Theory B, 2018)

Explicit bounds for graph minors. - Jim Geelen; Tony Huynh; R. Bruce Richter (J. Comb. Theory B, 2018)

Improved Bounds for Rota's Basis Conjecture. - Sally Dong; Jim Geelen (Comb., 2019)

On the complex-representable excluded minors for real-representability. - Rutger Campbell; Jim Geelen (J. Comb. Theory B, 2020)

Matroid fragility and relaxations of circuit hyperplanes. - Jim Geelen; Florian Hoersch (J. Comb. Theory B, 2020)

Naji's characterization of circle graphs. - Jim Geelen; Edward Lee 001 (J. Graph Theory, 2020)

A proof of Rado's Theorem via principal extension. - Jim Geelen; Hao Sun (Adv. Appl. Math., 2021)

Disjoint non-balanced A-paths in biased graphs. - Jim Geelen; Cynthia A. Rodríguez Villalobos (Adv. Appl. Math., 2021)

The Grid Theorem for vertex-minors. - Jim Geelen; O-joung Kwon; Rose McCarty; Paul Wollan (J. Comb. Theory B, 2023)

Unavoidable Flats in Matroids Representable over Prime Fields. - Jim Geelen; Matthew E. Kroeker (Comb., 2024)

A Sylvester-Gallai-Type Theorem for Complex-Representable Matroids. - Jim Geelen; Matthew E. Kroeker (Discret. Comput. Geom., 2025)