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School of Mathematical Sciences

Dr Alex Fink

Alex

Reader in Pure Mathematics, Director of Postgraduate Research Studies

Email: a.fink@qmul.ac.uk
Telephone: +44 (0)20 7882 5520
Room Number: Mathematical Sciences Building, Room: MB-312
Website: http://www.maths.qmul.ac.uk/~fink/
Office Hours: To book a meeting during semester A please email me.

Profile

Alex Fink is Reader in Pure Mathematics in the School of Mathematical Sciences. He has interests in combinatorics, algebra and geometry, especially matroid theory and tropical geometry.

Dr Fink holds a PhD from UC Berkeley, and prior to this post has been a postdoctoral researcher at North Carolina State University. His research has been supported by EPSRC. He serves on the editorial board of Theoretical Computer Science A, and was joint chair of the programme committee of Formal Power Series and Algebraic Combinatorics 2017.

Research

Research Interests:

Contacts between combinatorics and algebraic geometry or commutative algebra. Matroid theory, algebra of matroid invariants. Tropical mathematics, tropical linear algebra.

Member of the LMS Scheme 3 research group in Tropical Mathematics & its Applications and the UK Applied Algebra and Geometry research network.

Publications

    • Eur C, Fink A, Larson M et al. (2022), Signed permutohedra, delta-matroids, and beyond $journal $nameOfConference
    • Fink A, Toghani Z (2022), INITIAL FORMS AND A NOTION OF BASIS FOR TROPICAL DIFFERENTIAL EQUATIONS Pacific Journal of Mathematics $nameOfConference
    • Fink A, Olarte J (2022), Presentations of Transversal Valuated Matroids Journal of the London Mathematical Society $nameOfConference
    • Fink A, CAMERON A (2022), The Tutte polynomial via lattice point counting Journal of Combinatorial Theory: Series A $nameOfConference
    • Berget A, Fink A (2021), Equivariant K -Theory Classes of Matrix Orbit Closures International Mathematics Research Notices $nameOfConference
    • Berget A, Fink A (2021), Correction to: EQUIVARIANT CHOW CLASSES OF MATRIX VARIETIES (Transformation Groups, (2017), 22, 3, (631-643), 10.1007/s00031-016-9406-5) Transformation Groups $nameOfConference
    • Escobar L, Fink A, Rajchgot J et al. (2021), Gröbner bases, symmetric matrices, and type C Kazhdan-Lusztig varieties $journal $nameOfConference
    • Fink A, Mészáros K, St. Dizier A (2020), Zero-one Schubert polynomials Mathematische Zeitschrift $nameOfConference
    • Fink A, Toghani Z (2020), Initial forms and a notion of basis for tropical differential equations $journal $nameOfConference
    • Berget A, Fink A (2019), Equivariant K-theory classes of matrix orbit closures $journal $nameOfConference
    • Fink A, Mészáros K, Dizier AS (2019), Zero-one Schubert polynomials $journal $nameOfConference
    • Fink A, Olarte JA (2019), Presentations of Transversal Valuated Matroids $journal $nameOfConference
    • FINK A, Moci L (2019), Polyhedra and parameter spaces for matroids over valuation rings Advances in Mathematics $nameOfConference
    • Fink A, Moci L (2019), Polyhedra and parameter spaces for matroids over valuation rings Advances in Mathematics $nameOfConference
    • Dupont C, FINK A, Moci L (2018), Universal Tutte characters via combinatorial coalgebras Journal of Algebraic Combinatorics $nameOfConference
    • Berget A, Fink A (2018), Matrix orbit closures Beitrage zur Algebra und Geometrie $nameOfConference
    • Fink A, Mészáros K, St. Dizier A (2018), Schubert polynomials as integer point transforms of generalized permutahedra Advances in Mathematics $nameOfConference
    • Cameron A, Fink A (2018), The Tutte polynomial via lattice point counting $journal $nameOfConference
    • FINK A, GUY RK (2017), The outercoarseness of the n-cube Contributions to Discrete Mathematics $nameOfConference
    • Dupont C, Fink A, Moci L (2017), Universal Tutte characters via combinatorial coalgebras $journal $nameOfConference
    • FINK A, Speyer DE, Woo A (2017), A Gröbner basis for the graph of the reciprocal plane Journal of Commutative Algebra $nameOfConference
    • Fink A, Moci L (2017), Polyhedra and parameter spaces for matroids over valuation rings $journal $nameOfConference
    • Fink A, Mészáros K, Dizier AS (2017), Schubert polynomials as integer point transforms of generalized permutahedra $journal $nameOfConference
    • Fink A, Speyer DE, Woo A (2017), A Gröbner basis for the graph of the reciprocal plane $journal $nameOfConference
    • BERGET A, FINK A (2016), Equivariant chow classes of matrix orbit closures Transformation Groups $nameOfConference
    • Fink A, Rajchgot J, Sullivant S (2016), Matrix Schubert varieties and Gaussian conditional independence models Journal of Algebraic Combinatorics $nameOfConference
    • Cameron A, Fink A (2016), A lattice point counting generalisation of the Tutte polynomial $journal $nameOfConference
    • Cameron A, Fink A (2016), A lattice point counting generalisation of the Tutte polynomial Discrete Mathematics and Theoretical Computer Science $nameOfConference
    • Fink A, Moci L (2016), Matroids over a ring Journal of the European Mathematical Society $nameOfConference
    • Fink A, Rajchgot J, Sullivant S (2015), Matrix Schubert varieties and Gaussian conditional independence models $journal $nameOfConference
    • Fink A, Rincón F (2015), Stiefel tropical linear spaces Journal of Combinatorial Theory. Series A $nameOfConference
    • Berget A, Fink A (2015), Equivariant Chow classes of matrix orbit closures $journal $nameOfConference
    • Fink A, Moci L (2015), Matroids over a ring $journal $nameOfConference
    • Fink A, Fraenkel AS, Santos C (2014), LIM is not slim International Journal of Game Theory $nameOfConference
    • Fink A, Moci L (2013), Matroids over a ring Discrete Mathematics and Theoretical Computer Science $nameOfConference
    • Berget A, Fink A (2013), Matrix orbit closures $journal $nameOfConference
    • Fink A, Rincón F (2013), Stiefel tropical linear spaces $journal $nameOfConference
    • Fink A, Fraenkel AS, Santos C (2013), LIM is not slim International Journal of Game Theory $nameOfConference
    • Fink A (2013), Tropical cycles and Chow polytopes Beitrage zur Algebra und Geometrie $nameOfConference
    • Berget A, Fink A (2012), Projective invariants of vector configurations Discrete Mathematics and Theoretical Computer Science $nameOfConference
    • Fink A, Moci L (2012), Matroids over a ring $journal $nameOfConference
    • Fink A (2012), Lattice games without rational strategies Journal of Combinatorial Theory. Series A $nameOfConference
    • Fink A, Speyer DE (2012), K-classes for matroids and equivariant localization Duke Mathematical Journal $nameOfConference
    • Fink A, Speyer D (2011), K-classes for matroids and equivariant localization FPSAC'11 - 23rd International Conference on Formal Power Series and Algebraic Combinatorics $nameOfConference
    • Fink A (2011), Lattice games without rational strategies $journal $nameOfConference
    • Fink A (2011), The binomial ideal of the intersection axiom for conditional probabilities Journal of Algebraic Combinatorics $nameOfConference
    • Ardila F, Fink A, Rincón F (2010), Valuations for matroid polytope subdivisions Canadian Journal of Mathematics $nameOfConference
    • Derksen H, Fink A (2010), Valuative invariants for polymatroids FPSAC'10 - 22nd International Conference on Formal Power Series and Algebraic Combinatorics $nameOfConference
    • Fink A, Speyer DE (2010), K-classes of matroids and equivariant localization $journal $nameOfConference
    • Fink A (2010), Tropical cycles and Chow polytopes $journal $nameOfConference
    • FINK A (2010), Valuative invariants for polymatroids Adv. Math. $nameOfConference
    • Fink A, Giraldo BI (2009), Bijections between noncrossing and nonnesting partitions for classical reflection groups FPSAC'09 - 21st International Conference on Formal Power Series and Algebraic Combinatorics $nameOfConference
    • Ensley D, Fink A, Guy R (2009), Interactive supplements to Rick's Tricky six puzzle Loci $nameOfConference
    • Derksen H, Fink A (2009), Valuative invariants for polymatroids $journal $nameOfConference
    • Fink A (2009), The binomial ideal of the intersection axiom for conditional probabilities $journal $nameOfConference
    • Kisman D, Guy R, Fink A (2009), Patulous pegboard polygons $journal $nameOfConference
    • Fink A, Giraldo BI (2008), A bijection between noncrossing and nonnesting partitions for classical reflection groups $journal $nameOfConference
    • Ardila F, Fink A, Rincón F (2007), Valuations for matroid polytope subdivisions $journal $nameOfConference
    • Fink A, Denzinger J, Aycock J (2007), Extracting NPC behavior from computer games using computer vision and machine learning techniques Proceedings of the 2007 IEEE Symposium on Computational Intelligence and Games, CIG 2007 $nameOfConference
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