John Christian Ottem
Department of Pure
Mathematics and Mathematical Statistics
University of Cambridge
DPMMS, Wilberforce Road, Cambridge CB3 0WA, UK
Email: J.C.Ottem α dpmms.cam.ac.uk
I am a post doc at the DPMMS at the University of Cambridge
and a Junior Research Fellow at King's College, Cambridge.
My mathematical interests include higher dimensional algebraic
geometry, positivity of line bundles and ideal sheaves,
moduli spaces of curves, and toric geometry. My CV.
On subvarieties with ample normal bundle. To appear in Journal of the
European Mathematical Society (2013) PDF
Quartic spectrahedra. (with K. Ranestad, B. Sturmfels,
C. Vinzant). (2013) PDF
Birational geometry of hypersurfaces in products of projective
spaces. (2013) PDF
Ample subvarieties and q-ample divisors. Advances in Mathematics 229 (2012), 2868--2887. PDF
The algebraic boundary of Hilbert's SOS cones (with G. Blekherman, J. Hauenstein, K. Ranestad.
and B. Sturmfels). Compositio Mathematica 148 (2012), 1717--1735. PDF
The Cox ring of a K3 surface of Picard number two. Journal of Pure and Applied Algebra.
217 (2013), 709--715. PDF
Components of the Hilbert scheme of space curves on low-degree smooth
surfaces (with J. O. Kleppe), Preprint,
On the Cox Ring of P^2 Blown Up in Points on a Line, Mathematica Scandinavica 9,
(2011), 21--31. PDF