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Publications and preprints:


  • Zappa-Szep product groupoids and C*-blends, ArXiV
    With Jacqui Ramagge, David Pask, Dave Robertson and Michael Whittaker

  • The boundary quotient for algebraic dynamical systems, ArXiV
    With Nicolai Stammeier

  • C*-algebras of algebraic dynamics and right LCM semigroups, ArXiV
    With Nadia Larsen and Nicolai Stammeier

  • Crossed products and twisted k-graph algebras, ArXiV
    With Valentin Deaconu, Alex Kumjian and David Pask


  • Embedding into L_{2,R}, Accepted by J. Algebra. ArXiV
    With Adam Sorensen

  • Graph algebras and orbit equivalence, to appear in Ergodic Theory Dynam. Systems. ArXiV
    With Toke Meier Carlsen and Michael F. Whittaker

  • On C*-algebras associated to right LCM semigroups, to appear in Trans. Amer. Math. Soc.. ArXiV
    With Nadia Larsen and Nicolai Stammeier.

  • Zappa-Szep products of semigroups and their C*-algebras, J. Funct. Anal. 266 (2014), 3937-3967. ArXiV
    With Jacqui Ramagge, Dave Robertson and Michael Whittaker

  • Co-universal C*-algebras associated to generalised graphs, Israel J. Math. 193 (2013), 399-440. ArXiV
    With Aidan Sims and Sean Vittadello

  • Two families of Exel-Larsen crossed products, J. Math. Anal. Appl., 398 (2013) 68-79. ArXiV
    With Iain Raeburn
  • Realising the C*-algebra of a higher-rank graph as an Exel crossed product, J. Operator Theory, 68 (2012), 101-130. ArXiV
  • Boundary quotients of the Toeplitz algebra of the affine semigroup over the natural numbers, Ergodic Theory Dynam. Systems, 32 (2012) 35-62. ArXiV
    With Astrid an Huef, Marcelo Laca and Iain Raeburn
  • Exel's crossed product for non-unital C*-algebras, Math. Proc. Camb. Phil. Soc., 149 (2010), 423-444. ArXiV
    With Iain Raeburn and Sean Vittadello
  • Exel's crossed product and relative Cuntz-Pimsner algebras, Math. Proc. Camb. Phil. Soc., 141 (2006), 489-496. ArXiV
    With Iain Raeburn
  • Subquotients of Hecke C*-algebras, Ergodic Theory Dynam. Systems 25 (2005), 1503-1520. ArXiV
    With Nadia Larsen, Ian Putnam and Iain Raeburn
  • Ph.D. Thesis: Crossed products, endomorphisms and transfer operators (2006), PDF