Jonathan Wahl
I am an Emeritus Professor of the UNC Mathematics Department, on the faculty since 1973.
Education
B.S. Yale 1965
M.A. Yale 1965
Ph.D. Harvard 1971 (Adviser : David Mumford)
How to find me:
- My office is in Phillips Hall 300. My cell number is: (919) 604-0535.
- My best e-mail address is jmwahl@email.unc.edu
- You can send me mail at the Department of Mathematics, UNC-CH, Chapel Hill, NC 27599-3250
My research interests:
Algebraic geometry; topology and geometry of surface singularities; algebraic curves and surfaces.
I was Managing Editor of the Duke Mathematical Journal, 1997-2019.
I am a Fellow of the American Mathematical Society.
Recent Publications and Preprints
1. The number of equisingular moduli of a rational surface singularity, Methods Appl. Anal. 24 (2017), no. 1, 125-153 here
2. Milnor and Tjurina numbers for smoothings of surface singularities, Alg. Geom. 2 (3) (2015), 315-331 here
3. Log-terminal smoothing of graded normal surface singularities, Michigan Math. J. 62 (2013), 475-489 here
4. On rational homology disk smoothings of valency 4 surface singularities, Geom. Topol.15 (2011), 1125-1156 here
5. The End Curve Theorem for normal complex surface singularities (with Walter Neumann), J. Eur. Math. Soc. 12 (2010), 471-503 here .
6. Rational blow-downs and smoothings of surface singularities (with A. Stipsicz and Z. Szabo), Journal of Topology 1 (2008), 477-517 here.
7. Topology, geometry, and equations of normal surface singularities, in Singularities and Computer Algebra, LMS Lecture Note Series (No. 324), Camb. Univ. Press (2006) here.
8. Complete intersection singularities of splice type as universal abelian covers (with Walter Neumann), Geom. Topol. 9 (2005), 699-755 here .
9. Complex surface singularities with integral homology sphere links (with Walter Neumann), Geom. Topol. 9 (2005), 757-811 here .
10. Universal abelian covers of surface singularities (with Walter Neumann), Trends on Singularities, A. Libgober and M. Tibar, eds. (Birkhauser Verlag, 2002), 181-190 here .
11. Universal abelian covers of quotient-cusps (with Walter Neumann), Math. Ann. 326 (2003), 75-93 here .
12. Hyperplane sections of Calabi-Yau varieties, J. Reine Angew. Math. 544 (2002), 39-59 here .
13. On cohomology of the square of an ideal sheaf, J. of Alg. Geom. 8 (1997), 481-512 here .
14. Miyaoka-Yau inequality for normal surfaces and local analogues, Contemp. Math. 162 (1994), 381-402.
Here is a Complete publication list.
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Last modified: 3 February 2016