Curriculum Vitæ
 Education:

Promotion (Ph.D.), University of the Saarland, West Germany, 1980.

Diplom (M.S.), University of the Saarland, West Germany, 1977.
 Positions:

Professor, Purdue University, 2001present.

Simons Foundation Fellow, 20122013.

Research Professor, MSRI, Berkeley, 20122013.

General Member, MSRI, Berkeley, Fall 2002.

Professor, Michigan State University, 19892001.

Associate Professor, Michigan State University, 19861989.

Assistant Professor, Michigan State University, 19841986.

Visiting Assistant Professor, Northwestern University, 19831984.

Visiting Assistant Professor, Purdue University, 19821983.

Visiting Research Associate, Purdue University, 19811982,
supported by a research fellowship from DAAD.
 Research Interest:
Commutative Algebra and Algebraic Geometry.
 Honors:
Fellow of the American Mathematical Society, Inaugural Class of 2012.
 Research Support:

NSF research grant, 20152018.

NSF grant
Algebra and Geometry Meetings in the Midwest, 20152018.

NSF research grant, 20122015.

Simons Foundation Fellow, 20122013.

NSF research grant, 20092012.

NSF grant Special Algebra Meetings in the Midwest, 20082013.

NSF grant
PASI: Commutative Algebra and its Connections to Geometry, 2009.

NSF research grant, 20052009.

NSF research grant, 20022005.

NSF grant Midwest Commutative Algebra and Geometry Meeting, 2004.

NSF research grant, 19992002.

NSF research grant, 19961999.

NSF USBrazil cooperative research grant, 19941997.

NSF research grant, 19931996.

NSF research grant, 19901993.

NSF research grant, 19881990.

NSF grant for scientific computing equipment for the
mathematical sciences, 1988.

NSF research grant, 19861988.

NSF research grant, 19841986.

Fellowship from DAAD (German Academic Exchange Service), 19811982.
 Ph.D. Students:

Elias Lopez, Licci Gorenstein ideals of deviation two, 1988.

Mark Johnson, CohenMacaulay blowup algebras and constructions in
linkage, 1995.

Laura Ghezzi, The depth of blowup rings of ideals, 2001.

Christine Cumming, Residual intersections in CohenMacaulay rings, 2005.

Louiza Fouli, A study on the core of ideals, 2006.

Javid Validashti, Multiplicities of graded algebras, 2007.

YiHuang Shen, Monomial curves, Gorenstein ideals, and Stanley
decompositions, 2009.

Yu Xie, Formulas for the multiplicity of graded algebras, 2009 (advised jointly with W. Heinzer).

KueiNuan Lin, Rees algebras of diagonal ideals, 2010.

Paolo Mantero, Linkage and Hilbert functions, 2012.

Lan Nguyen, Rees algebras of linearly presented ideals, 2013.

Youngsu Kim, QuasiGorensteinness of extended Rees algebras, 2014.

Jacob Boswell, Prime saturations and Rees algebras of almost linearly
presented ideals, 2015.

Jonathan Montano, Generalized multiplicities, reductions of ideals, and
depth of blowup algebras, 2015.

Vivek Mukundan, Rees algebras and iterated Jacobian duals, 2016.

Alessandra Costantini, current.

Tan Dang, current.

Monte Cooper, current.

Edward Price, current.

Lindsey Hill, current.

Rachel Lynn, current.

Roberto UlloaEsquivel, current.

Kelsey Walters, current.

Vinh Nguyen, current.

Matthew Weaver, current.

Jenna Tarasova, current.
 Postdocs Mentored:

Hema Srinivasan, 19861988.

Sangki Choi, 19891990.

K. N. Raghavan, 19911993.

Songqing Ding, 19931995.

Claudia Polini, 19951998.

Alberto Corso, 19982000.

Claudia Miller, 20002001.

Jean Chan, 20012003.

Jooyoun Hong, 20032006.

Gemma Colomé Nin, 20112013.

Alexandra Seceleanu, MSRI, Fall 2012.

Cleto Miranda Neto, 20122013.

Wenbo Niu, 20112014.

Victor Hugo Perez, 20132014.

Jeffrey Madsen, 20162019.

Editorial Work:
 Editorial committee of the Journal of Algebra, since 2010.
 Editorial committee of the Taiwanese Journal of Mathematics, 20082014.
 Editorial committee of the Proceedings of the AMS, 20022010.
 Coeditor of the proceedings of the conference Algebraic Geometry
and Commutative Algebra, IMPA, Rio de Janeiro, 2012,
Bull. Braz. Math. Soc.
45 (2014).
 Coeditor of a special volume of the Journal of Pure and Applied
Algebra in honor of Wolmer Vasconcelos, J. Pure Appl. Algebra 201 (2005).

Book review in: Bulletin Amer. Math. Soc. 34 (1997), 177181.

Conferences Organized:
 Coorganizer of the conference
Algebraic Geometry and its Broader Implications:
a Celebration of Robin Hartshorne's 80th and the Book's
40th Birthday, University of Illinois at Chicago, March 2018.
 Coorganizer of the conference
Commutative Algebra and its Interactions with Algebraic Geometry:
Tight
Closure, Linkage, and Syzygies. A Conference in Honor of Craig
Huneke's 65th Birthday, University of Michigan, July 2016.
 Coorganizer of the
Midwest Commutative
Algebra and Algebraic Geometry Conference. A Meeting in Honor of Juan
Migliore, University of Notre
Dame, May 2016.
 Coorganizer of the
Midwest Commutative
Algebra Conference, Purdue University, August 2015.
 Coorganizer of the special session
Commutative Algebra and
Algebraic Geometry at the Mathematical Congress of the Americas 2013,
Guanajuato, Mexico, August 2013.
 Coorganizer of the conference
Commutative
Algebra and its Interaction with Algebraic Geometry, CIRM (Centre
International de Rencontres Mathématiques), Luminy, France,
July 2013.
 Coorganizer of the focus period
Rees Algebras and Integral Closure during
the Special Year on Commutative Algebra at MSRI, Berkeley, September 2012.
 Coorganizer of the conference
Algebraic Geometry and
Commutative
Algebra,
IMPA, Rio de Janeiro, Brazil, August 2012.
 Coorganizer of the
3rd Bluegrass Algebra
Conference, University of Kentucky, June 2012.
 Coorganizer of the
Commutative Algebra and Geometry
Conference at Purdue, Purdue University, May 2011.
 Coorganizer of a special session at the AMS Meeting
in Notre Dame, Indiana, November 2010.
 Coorganizer of the conference
Commutative
Algebra and its Interaction with Algebraic Geometry, CIRM (Centre
International de Rencontres Mathématiques), Luminy, France,
November 2010.
 Coorganizer of a special session at the AMS Meeting
in Lexington, Kentucky, March 2010.
 Coorganizer of the summer school
PASI: Commutative Algebra and its Connections to Geometry, Olinda, Brazil,
August 2009.
 Coorganizer of the conference Commutative
Algebra and its Interaction with Algebraic Geometry, CIRM (Centre
International de Rencontres Mathématiques), Luminy, France,
September 2008.
 Coorganizer
of the conference Algebraic Geometry and Commutative Algebra: A
Conference to Celebrate Robin Hartshorne's 70th Birthday,
University of Illinois at Chicago, April 2008.
 Coorganizer of the conference Commutative
Algebra and its Interaction with Algebraic Geometry, BIRS (Banff International
Research Station), Banff, Canada, June 2007.
 Coorganizer of the workshop Integral Closure, Adjoint Ideals
and Cores, AIM (American Institute of Mathematics), Palo Alto,
December 2006.
 Coorganizer of the UICPurdue Workshop on Algebraic Geometry and
Commutative Algebra, Purdue University,
December 2006.
 Coorganizer of the conference Commutative
Algebra and its Interaction with Algebraic Geometry, CIRM (Centre
International de Rencontres Mathématiques), Luminy, France,
May 2006.
 Coorganizer of a special session at the AMS
Meeting in Notre Dame, April 2006.

Coorganizer of the conference Commutative Algebra: Homological and Birational Theory,
BIRS, Banff, Canada, September 2004.

Coorganizer of the conference Midwest Commutative Algebra and Geometry Meeting: A Conference in Honor of Joseph Lipman,
Purdue University, May 2004.

Coorganizer of the conference Commutative Algebra and its
Interaction with Algebraic Geometry, CIRM, Luminy, France, June 2003.

Coorganizer of the workshop Commutative Algebra: Local and Birational
Theory during the Special Year on Commutative Algebra at
MSRI, Berkeley, December 2002.

Coorganizer of a special session at the First Joint Meeting of the AMS
and UMI (Unione Matematica Italiana), Pisa, June 2002.

Coorganizer of the conference Commutative Algebra and its
Interaction with Algebraic Geometry, CIRM, Luminy, France, June 2000.

Coorganizer of a special session at the AMS Winter Meeting in
San Francisco, January 1995.

Member of the program committee for the First Joint Meeting of the
AMS and DMV (German Mathematical Association), Heidelberg, October 1993.

Selected Invited Talks:
 International Conference on Commutative Algebra and its
Interaction to Combinatorics, Discrete Geometry and Singularity
Theory, VIASM (Vietnam Institute for Advanced Study in Mathematics),
Hanoi, Vietnam,
September 2017.
 International Meeting in Commutative Algebra and Related Areas,
University of Sao Paulo, Brazil, July 2017 (four lectures).
 First Joint Meeting BrazilItaly in Mathematics, IMPA, Rio de
Janeiro, Brazil, August 2016.
 Commutative Algebra and Its Interactions with Algebraic Geometry:
Tight Closure, Linkage, and Syzygies, University of Michigan, July 2016.
 Workshop on Commutative Algebra, VIASM (Vietnam Institute for Advanced Study in Mathematics), Hanoi, Vietnam, June 2016 (2 talks).
 Homological and Computational Methods in Commutative Algebra,
Cortona,
Italy, May 2016.
 University of Illinois, October 2015, April 2007, October 2000,
1986,
July 1984.
 Singular Landscapes, a Conference in Honor of Bernard Teissier's Seventieth Birthday, Aussois, France, June 2015.
 University of Illinois at Chicago, April 2015, September 2005.
 Workshop on Commutative Algebra, VIASM (Vietnam Institute for Advanced Study in Mathematics), Hanoi,
Vietnam, August 2014 (two lectures).
 International Conference on Commutative Algebra and Singularity Theory 2014, Toyama, Japan, July 2014.
 University of the Saarland, Saarbrücken, Germany, July 2013.
 Seminar, MSRI, Berkeley, February 2013.
 Workshop on Representation Theory, Homological Algebra, and Free
Resolutions, MSRI, Berkeley, February 2013.
 Commutative Algebra Meeting, Federal University of Paraiba,
Brazil, January 2013 (three lectures).
 Colloquium, MSRI, Berkeley, October 2012.
 Interactions between Commutative Algebra and Representation
Theory, a Conference in Honor of RagnarOlaf Buchweitz's Sixtieth Birthday,
Syracuse University, April 2012.
 Commutative Algebra and Algebraic Geometry Conference, University
of Illinois, November 2011 (joint colloquium and conference
talk).
 André Memorial Conference, École Politechnique
Fédérale de Lausanne, Switzerland, May 2011.
 32nd Symposium and 6th JapanVietnam Joint Seminar on Commutative
Algebra, Hayama, Japan, December 2010 (two lectures).
 School and Workshop on Local Rings and Local Study of
Algebraic Varieties, International Centre for Theoretical
Physics, Trieste, Italy, June 2010 (five lectures).
 AMS Meeting in Lexington, Kentucky, March 2010 (invited address).
 Special Session on Homological Aspects of Module Theory, AMS
Meeting in Boca Raton, Florida, October 2009 (40 minute talk).
 PASI Summer School on Commutative Algebra and its
Connections to Geometry, Olinda, Brazil, August 2009
(three lectures).
 University of Notre Dame, March 2009, December 1999.
 University of South Carolina, November 2008.
 Federal University of Pernambuco, Recife, Brazil, July 2008, August
2004, 2003, July 1998.
 Commutative Algebra: Connections with Algebraic Topology and Representation
Theory, a Conference on the Occasion of Luchezar Avramov's 60th Birthday, University
of Nebraska, May 2008.
 International Conference: Towards Establishing a CuttingEdge Platform
for Commutative Ring Theory in the 21st Century, Yokohama, Japan, March 2008.
 Hilbert Functions and Syzygies in Commutative Algebra and Combinatorics, a
Conference in Honor of Jürgen Herzog on the Occasion of his 65th Birthday,
Cortona, Italy, September 2007.
 University of California, Berkeley, May 2007, December 2006, March 2006,
November 2002, May 2000, 1999.
 Advances in Algebra and Geometry, MSRI, Berkeley, May 2007.
 Workshop on Integral Closure, Adjoint Ideals and Cores, AIM, Palo Alto,
December 2006.
 Commutative Algebra and Algebraic Geometry Meeting (ALGA), IMPA, Rio
de Janeiro, Brazil, July 2006, 1997.
 CIMPA School on Commutative Algebra, Hanoi, Vietnam,
December 2005 (five lectures).
 University of Nebraska, October 2005.
 Midwest Algebra, Geometry and their Interactions Conference,
University of Notre Dame, October 2005.
 Commutative Algebra Conference Honoring the Contributions of
Phillip Griffith, University of Illinois, September 2005.
 University of Kansas, March 2005.
 Symposium on Commutative Ring Theory, Kurashiki, Japan,
November 2004.

University of Bochum, Germany, July 2004, June 1995.

University of Toronto, Canada, January 2004.
 Lisbon Conference on Commutative Algebra, Lisbon, Portugal, June 2003.
 First Joint Meeting of the AMS and the RSME (Real Sociedad Matemática Espanola),
Special Session on Commutative Algebra: Geometric, Homological,
Combinatorial and Computational Aspects, Sevilla, Spain, June 2003.

Bluegrass Algebra Conference, University of Kentucky, April 2003.
 MSRI, Berkeley, October 2002.
 Current Trends in Commutative Algebra, Levico, Italy, June 2002.
 Conference on ZeroDimensional Schemes and Related Topics, Acitrezza, Italy, June 2002.
 First Joint Meeting of the AMS and the SMF (Société
Mathématique de France), Special Session on
Commutative Algebra and its Interactions with Algebraic Geometry,
Lyon, France, July 2001.

First Latin American Congress of Mathematicians, Algebra
Session, IMPA, Rio de Janeiro, Brazil, August 2000.

Conferences on Commutative Algebra and Algebraic Geometry,
Oberwolfach, Germany, August 1999, May 1996, August 1989,
May 1987, 1985, 1983, 1981.

Commutative Algebra and its Related Topics, KIAS
(Korea Institute for Advanced Study), Seoul, Korea, May 1999.

Homological Methods in Commutative Algebra
and Algebraic Geometry: a Conference in Honor of David Buchsbaum,
Genova, Italy, June 1998.

University of Michigan, January 1998, 1995, February 1985.

Conference on Algebraic Geometry and Commutative Algebra,
Guanajuato, Mexico, August 1997.

21^{st} Brazilian Colloquium, Algebra Session, IMPA, Rio de Janeiro,
Brazil, July 1997.

Conference on Commutative Algebra and Algebraic Geometry, CIRM, Luminy,
France, May 1997.

Rutgers University, October 1996, April 1991, February 1990.

Summer School on
Commutative Algebra, Centre de Recerca Matematica, Barcelona, Spain, July
1996.

Joint Meeting of the AMS and SMM (Sociedad Matemática Mexicana), Special
Session on Commutative Algebra and Algebraic Coding Theory, Guanajuato,
Mexico, November 1995.

Workshop in Algebra, Instituto Politecnico
Nacional, Mexico City, November 1995.

Conference on Commutative Algebra and Algebraic Geometry,
Federal University of Bahia, Salvador, Brazil, August 1995.

University of Essen, Germany, June 1995.

University of Köln, Germany, June 1995.

École Polytechnique, Palaiseau, France, March 1995.

ICM Satellite Conference on Commutative Algebra, Vechta, Germany, July 1994.

Conference on Algebra, Dynamical Systems, and Topology, Federal
University of Bahia, Salvador, Brazil, July 1994.

Workshop on Commutative Algebra and its Relation to
Combinatorics and Computer Algebra, International Centre for Theoretical
Physics, Trieste, Italy, May 1994 (four lectures).

Brandeis University, May 1994, April 1991.

MIT, May 1994.

Conference on Commutative Algebra and its
Interaction with Computer Algebra and Combinatorics, Essen, Germany, June
1993.

Conference on Commutative Algebra and its
Interaction with Algebraic Geometry, University of Missouri, May
1993.

Conference on Commutative Algebra,
International Centre for Theoretical Physics, Trieste, Italy, September
1992 (five lectures).

Latin American Meeting on Algebra and Algebraic Geometry,
Guanajuato, Mexico, July 1992 (two lectures).

AMS Summer
Research Conference on Commutative Algebra: Syzygies, Multiplicities and
Birational Algebra, Mount Holyoke, July 1992.

Conference on Free Resolutions in Algebraic Geometry
and Representation Theory, Oberwolfach, Germany, June 1992.

International Seminar on Algebra and its
Applications, Instituto Politecnico Nacional, Mexico City, January 1991.

ICM90 Satellite Conference
on Commutative Algebra and Combinatorics, Nagoya University, Japan,
August 1990.

Daewoo Conference,
Seoul National University, Korea, August 1990 (two lectures).

Conference on
Algebraic Geometry, Commutative Algebra, and Ring Theory, Bucharest,
Romania, July 1989.

Midwest Algebraic Geometry Conference, University of Michigan,
March 1989.

Commutative Algebra Workshop,
Federal University of Bahia, Salvador, Brazil, August 1988
(three lectures).

Microprogram in Commutative Algebra, MSRI, Berkeley, June 1987.

Midwest Commutative Algebra
Conference, Purdue University, March 1986.

USJapan Seminar on Commutative Algebra
and Combinatorics, Kyoto, Japan, August 1985.

Nagoya University, Japan, August 1985.