| Education: |
| B.S. in Math and Computer Science, University of Minnesota |
| Ph.D. in Math, University of California at Berkeley |
|
|
| Thesis Title: Integral Curves in Even Linkage Classes |
| Positions: |
| Associate Professor: Texas Christian University, 2005-present. |
| Assistant Professor: Texas Christian University, 2000-2005. |
| Visiting Assistant Professor: University of Notre Dame, 1998-2000. |
| Visiting Assistant Professor: University of California, Riverside, 1998 |
| Postdoctoral Position: Univerisity of Barcelona, 1996-1997. |
| Consultant: Decision Research, 1996. |
| This work resulted in U.S. Patent 6,324,296. |
| Visiting Assistant Professor: Univeristy of California, Riverside, 1995. |
| Invited Talks: |
|
University of Notre Dame, April 2008 |
| Algebraic Geometry seminar |
| Title: Class groups and the Noether-Lefschetz theorem |
|
California State University of Long Beach, February 2008 |
| Colloquium |
| Title: Introduction to the Jacobian Conjecture |
|
University of Texas at Arlington, November 2007 |
| Algebra Seminar |
| Title: A Survey of Liaison Theory |
|
University of California at Riverside, March 2007 |
| Algebraic Geometry Colloquium |
| Title: Introduction to the Jacobian Conjecture |
|
University of California at Riverside, March 2007 |
| Algebraic Geometry Seminar |
| Title: Birationality of étale maps via surgery |
|
Trinity College, November 2005 |
| Colloquium Talk |
| Title: Introduction to the Jacobian Conjecture |
|
Politecnico di Torino, Italy, February 2005 |
| Conference in commutative algebra and algebraic geometry dedicated to Paolo Valabrega for his 60th birthday |
| Title: Deformations of space curves and connectedness in Hilbert schemes |
|
Vanderbilt University, October 2004 |
| AMS conference |
| Title: Curves on double surfaces |
|
Rice University, March 2004 |
| Algebraic geometry seminar |
| Title: Hilbert schemes of quartic curves |
|
Baylor University, March 2003 |
| Central Texas Algebra Conference |
| Title: Holomorphic Injectivity and the Hopf Map |
|
Texas Christian University, November 2002 |
| AGANT seminar |
| Title: Liaison theory and the classification of space curves |
|
University of California at Riverside, January 2002 |
| Algebraic geometry seminar |
| Title: Hilbert schemes of degree four curves and multiplicity lines |
|
University of Torino, Italy, March 2001 |
| Colloquium talk |
| Title: The jacobian conjecture |
|
University of California, Berkeley, August 1998 |
| Conference in honor of Robin Hartshorne |
| Title: On the Second Section of a Rank Two Bundle |
|
University of Ferrara, Italy, June 1997 |
| Conference in honor of Mario Fiorentini |
| Title: Bounds on the Rao Function |
|
University of California at Riverside, February 1997 |
| U.C.R./U.C.L.A./Utah Algebraic Geometry Conference |
| Title: Connectedness in Hilbert Schemes |
| Other Professional Activities: |
| Research Visitor, University of Torino, Italy, March 2001 |
| Co-organizer: Texas Geometry and Topology Conference, February 2001 |
| Co-organizer: Algebraic Geometry session for AMS meeting, April 2000 |
| Research Visitor, University of Torino, Italy, December 1997 |
| Research Visitor, U.C. Berkeley, 1995-1996 |
| Publications: |
|
Extended Noether-Lefschetz loci
(with John Brevik),
Preprint, 2008. |
|
Birationality of étale maps via surgery,
(with Laurence Taylor and Frederico Xavier),
To appear in J. Reine Angew. Math.. |
|
On Kulikov's Problem,
(with Frederico Xavier),
Arch. Math. (Basel) 89 (2007) 385--389. |
|
Deformations of space curves: Connectedness in Hilbert schemes,
Rend. Sem. Mat. Univ. Politec. Torino 64 no. 4 (2006) 433-450. |
|
Holomorphic Injectivity and the Hopf map
(with Frederico Xavier),
Geom. Funct. Anal. 14 no. 6 (2004) 1339-1351 |
|
The Hilbert Schemes of Degree Four Curves
(with Enrico Schlesinger),
Compositio Math. 139 no. 2 (2003) 169-196. |
|
Curves on a double surface
(with Enrico Schlesinger),
Collect. Math. 54 no. 3 (2003) 327-340. |
|
Global Inversion via the Palais-Smale Condition
(with Frederico Xavier),
Disc. Cont. Dynam. Sys. - Ser. A 8 no. 1 (2002) 17-28. |
|
A Remark on Connectedness in Hilbert Schemes,
Comm. Algebra 28 no. 12 (Special issue in honor of Robin Hartshorne) (2000) 5745-5747. |
|
On the Second Section of a Rank Two Bundle
(with Margherita Roggero and Paolo Valabrega),
Comm. Algebra 28 no. 12 (Special issue in honor of Robin Hartshorne) (2000) 5531-5540. |
|
Bounds on the Rao Function
(with Rosa Maria Miró-Roig),
J. Pure Appl. Algebra 152 no. 3 (Special issue in honor of David Buchsbaum) (2000) 253-266. |
|
Integral Subschemes of Codimension Two,
J. Pure Appl. Algebra 141 no. 3 (1999) 269-288. |
|
Hilbert Polynomials over Artinian Rings
(with Cristina Blancafort),
Illinois J. Math. 43 no. 2 (1999) 338-349. |
|
Bounds on Multisecants,
Collect. Math. 49 no. 2-3 (Volume in memory of Fernando Serrano) (1998) 447-463. |
|
Bounds on c3 for Threefolds
(with Mei-Chu Chang and Hoil Kim),
Manuscripta Math. 97 no. 2 (1998) 135-141. |
|
Degrees of Generators of Ideals
(with Heath Martin and Juan Migliore),
Comm. Algebra 26 no. 4 (1998) 1209-1231. |
|
Subextremal Curves,
Manuscripta Math. 94 no. 3 (1997) 303-317. |
|
The Hilbert Schemes of Degree Three Curves,
Ann. Sci. Ecole Norm. Sup. (4) 30 no. 3 (1997) 367-384. |
|
Smooth Curves Linked to Thick Curves,
Compositio Math. 106 no. 2 (1997) 203-210. |
|
Even Linkage Classes,
Trans. Amer. Math. Soc. 348 no. 3 (1996) 1137-1162. |
| Mathematical Reviews: |
|
M. Casanellas, E. Drozd and R. Hartshorne, Gorenstein liaison and ACM sheaves,
J. Reine Angew. Math. 584 (2005) 149--171. [MR2155088] |
|
G. Molina Bisci and R. Notari, Remarks on degree 4 projective curves,
J. Math. Kyoto Univ. 45 (2005) 159--182. [MR2138805] |
|
A. Fernandes, C. Gutierrez and R. Rabanal, On local diffeomorphisms of Rn that are injective,
Qual. Theory Dyn. Syst. 4 (2004) 255--262. [MR2129721] |
|
E. Ballico, On the postulation of the multiples of the nodes for the generic nodal curves on general rational surfaces,
Result. Math 46 (2004) 223--226. [MR2105715] |
|
G. Berhuy and F. Giordano, Essential dimension of cubics,
J. Algebra 278 (2004) 199--216. [2005c:14034] |
|
N. Chiarli, S. Greco and U. Nagel, Normal form for space cures in a double plane,
J. Pure Appl. Algebra 190 (2004) 45--57. [2004m:14059] |
|
R. Ferraro, Linkage on ACM schemes with applications
to the classification of curves of maximal genus,
J. Pure Appl. Algebra 188 (2004) 95--115. [2004m:14104] |
|
Kiem, Young-Hoon, Intersection cohomology of quotients of nonsingular varieties,
Invent. Math. 155 (2004) 163--202. [2004m:14035] |
|
U. Nagel, R. Notari and M. Spreafico, On the even Gorenstein liaison
classes of ropes on a line,
Le Mathematiche LV (2000) 483--498. [2004d:14070] |
|
U. Nagel, On the cohomology and genus of projective curves,
Le Matematiche LV (2000), no. 2, 339--351. [20043:14080] |
|
C. Folegatti, On linked surfaces in P4,
Rend. Sem. Mat. Univ. Pol. Torino 59 (2001), no. 2, 165--171 . [2004c:14096] |
|
M. Casanellas and R. M. Miró-Roig,
On the Lazarsfeld-Rao property for Gorenstein liaison classes,
J. Pure Appl. Algebra 179 (2003) 7--12. [MR1957812] |
|
F. Lang, Geometry and group structures of some cubics,
Forum Geom. 2 (2002), 217--228. [2003j:14040] |
|
E. Ballico, N Chiarli and S. Greco, Linearly normal curves with degenerate general hyperplane section,
Hiroshima Math. J. 32 (2002), 217--228. [2003e:14042] |
|
E. Ballico, Space curves not contained in low degree
surfaces in positive characteristic,
Note Mat. 20 (2000/01), 27--33. [2003a:14044] |
|
S. Kovács, Logarithmic vanishing theorems and
Arakelov-Parshin boundedness for singular varieties,
Compositio Math. 131 (2002), 291--317. [2003a:14025] |
|
M. Casanellas and R. M. Miró-Roig,
Gorenstein liaison of divisors on standard
determinantal schemes and on rational normal scrolls,
J. Pure Appl. Algebra 164 (2001) 325--343. [2002g:14071] |
|
J. Kleppe, J. Migliore, R. Miró-Roig, U. Nagel and C. Peterson,
Gorenstein liaison, complete intersection liaison invariants and
unobstructedness,
Mem. Amer. Math. Soc. 154 no. 732 (2001) viii+116 pp. [2002e:14083] |
|
N. Manolache, Double rational normal curves with linear syzygies,
Manuscripta Math. 104 (2001) 503-517 [2002c:14050] |
|
K. Smith, Globally F-regular Varieties,
Michigan Math. J. 48 (2000) 553-572 [2001k:13007] |
|
J. Chipalkatti, A generalization of Castelnuovo
regularity to Grassmann varieties,
Manuscripta Math. 102 (2000) no. 4, 447--464 [2001h:14016] |
|
M. Casanellas and R. M. Miró-Roig,
Gorenstein liaison of curves in P4,
J. Algebra 230 (2000) no. 2, 656-664 [2001g:14082] |
|
M.-C. Chang and H. Kim,
The Euler number of certain primitive Calabi-Yau
threefolds,
Math. Proc. Cambridge Philos. Soc. 128 (2000), no. 1, 79--86 [2000i:14060] |
|
R. Hartshorne, M. Martin-Deschamps and D. Perrin,
Triades et familles,
Math. Ann. 315 (1999), no. 3, 397--468 [2001c:14053] |
|
D. Franco and A.T. Lascu,
Curves contractable in general surfaces,
Commutative algebra and algebraic geometry (Ferrara), 93--116, Lecture Notes in Pure and Appl. Math. 206, Dekker, New York, 1999 [2000g:14039] |
|
Ph. Ellia and R. Hartshorne,
Smooth specializations of space curves:
questions and examples,
Commutative algebra and algebraic geometry (Ferrara), 53--79, Lecture Notes in Pure and Appl. Math. 206, Dekker, New York, 1999 [2000f:14047] |
|
T. Fenske,
Rational cuspidal plane curves of type (d,d-4)
whose sheaf of vector fields tangent along D has
non-positive Euler characteristic,
Manuscripta Math. 98 (1999), no. 4, 511--527 [2000b:14027] |