Explicit class field theory and the algebraic geometry of lambda-rings (with Bart de Smit), updated 2018/Sep/7
Isocrystals associated to arithmetic jet spaces of abelian schemes (with Arnab Saha), Advances in Mathematics (to appear)
On Frobenius and Fibers of Arithmetic Jet Spaces (with Arnab Saha)
Differential characters of Drinfeld modules and de Rham cohomology (with Arnab Saha), Algebra & Number Theory (to appear)
Canonical lifts of families of elliptic curves (with Lance Gurney), Nagoya Mathematical Journal
Boolean Witt vectors and an integral Edrei-Thoma theorem (with Darij Grinberg), Selecta Mathematica 22(2) (2016), pp 595-629.
Witt vectors, semirings, and total positivity, Absolute Arithmetic and F1-Geometry. EMS Publishing House, 2016
Lambda actions of rings of integers (with Bart de Smit)
The basic geometry of Witt vectors, II: Spaces, Mathematische Annalen 351 (2011), no. 4, pp 877-933.
Differential forms on arithmetic jet spaces (with Alexandru Buium), Selecta Mathematica 17 (2011), no. 2, pp 301-335.
Lambda-rings and the field with one element,
Galois theory and integral models of Lambda-rings (with Bart de Smit), Bulletin of the London Mathematical Society 40 (2008), no. 3, pp 439-446.
The basic geometry of Witt vectors, I: The affine case, Algebra & Number Theory 5 (2011), no. 2, pp 231-285.
Plethystic algebra, (with Ben Wieland), Advances in Mathematics 194/2 (2005), pp 246-283.
Conductors and the moduli of residual perfection, Mathematische Annalen 329 No. 1 (2004), pp 1-30.
A monogenic Hasse-Arf theorem, Journal de Théorie des Nombres de Bordeaux 16 (2004), pp 79-81.