Math Department Faculty

Brian Lehmann

Associate Professor

Research

Geometric Manin's Conjecture and rational curves (joint with S. Tanimoto)
submitted
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Correspondences between convex geometry and complex geometry (joint with J. Xiao)
submitted
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On the geometry of thin exceptional sets in Manin's Conjecture (joint with S. Tanimoto)
to appear in Duke Math. J.
pdf
Positivity functions for curves on algebraic varieties (joint with J. Xiao)
submitted
pdf
Convexity and Zariski decomposition structure (joint with J. Xiao)
Geom. Funct. Anal. 26 (2016), no. 4, 1135-1189
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Volume and Hilbert function of R-divisors (joint with M. Fulger and J. Koll谩r)
Mich. Math. J. 65 (2016), no. 2, 371-387
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Balanced line bundles on Fano varieties (joint with S. Tanimoto and Y. Tschinkel)
to appear in J. Reine Angew. Math.
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Positive cones of dual cycle classes (joint with M. Fulger)
Alg. Geom. 4 (2017), no. 1, 1-28
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Morphisms and faces of pseudo-effective cones (joint with M. Fulger)
Proc. Lon. Math. Soc. 112 (2016), no. 4, 651-676
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Kernels of numerical pushforwards (joint with M. Fulger)
to appear in Adv. Geom.
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Zariski decompositions of numerical cycle classes (joint with M. Fulger)
to appear in J. of Alg. Geom.
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Asymptotic behavior of the dimension of the Chow variety
to appear in Adv. Math.
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Volume-type functions for numerical cycle classes
Duke Math. J. 165 (2016), no. 16, 3147-3187
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The movable cone via intersections
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Numerical triviality and pullbacks
J. Pure Appl. Algebra 219 (2015), no. 12, 5637-5649
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Algebraic bounds on analytic multiplier ideals
Ann. Inst. Fourier 64 (2014), no. 3, 1077-1108
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On Eckl's pseudo-effective reduction map
Trans. Amer. Math. Soc. 366 (2014), 1525-1549
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Comparing numerical dimensions
Algebra Number Theory 7 (2013), no. 5, 1065-1100
Update 2015: there is a mistake in the proof of Proposition 5.3 which affects the main theorem. The error is identified in a .
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Reduction maps and minimal model theory (joint with Y. Gongyo)
Compos. Math. 149 (2013), no. 2, 295-308
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A cone theorem for nef curves
J. of Alg. Geom. 21 (2012), no. 3, 473-493
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