Vita for Sylvia Wiegand


Address

  • 329 Avery Hall,
  • Department of Mathematics,
  • University of Nebraska-Lincoln,
  • Lincoln, NE 68588-0130,
  • email: swiegand@math.unl.edu,
  • WEB: http://www.math.unl.edu~swiegand

 

Education

  • 1972 PhD (mathematics) University of Wisconsin
  • 1967 MS (mathematics) University of Washington
  • 1966 AB (mathematics) Bryn Mawr College

 

Professional Experience

  • 1987-present, Professor, University of Nebraska
  • 2002-2003 , Visiting Scientist, National Science Foundation
  • 1976-1987, Associate Professor, University of Nebraska
  • 1974-1976, Assistant Professor, University of Nebraska
  • 1972-1974, Instructor, University of Nebraska
  • 1992-1993, 1998 (spring), Visiting Professor, Purdue University
  • 1997 (fall) , Visiting Professor, Michigan State University
  • 1985-1986, Visiting Associate Professor, University of Wisconsin
  • 1978-1979, Visiting Associate Professor, University of Connecticut
  • Spring 1972, Instructor, University of Wisconsin

 

Service

  • Colloquium Chair, Math. Dept, 2005-
  • Research Advisory Committee, Math. Dept, 2003-
  • American Mathematical Society (AMS), CAFTES Committee, 2005-2008
  • AMS Electronic  research announcements, editor, 2005-2008
  • Mathematical Association of America (MAA), Science Policy Committee, 2005-2008
  • MAA External Awards Committee, 2003-2006
  • Editor, Communications in Algebra, 1990-2004
  • Editor, Rocky Mountain Journal of Mathematics 1991-2005
  • Future Nebraska Taskforce (Committee on Excellence) 1998-2000
  • UNL Graduate Council 1999- 2003
  • Climate for Engineering Committee Co-chair 1999-2000
  • AMS, Meetings & Conferences (COMC) 1994-2000, Chair 1994-7
  • AMS, Nominating Committee 1997-2000
  • College of Arts & Sciences, Executive Committee 1994-99
  • Association for Women in Mathematics (AWM): Past-Pres Feb.1, 1999- Feb. 1, 2000;                                                         Pres Jan 15, 1997-Feb.1, 1999; Nominating Committee, 2000-2001

 

Some Papers

“Generic formal fibers of mixed power series/polynomial rings”, joint with W. Heinzer  and C. Rotthaus, submitted.

 

“Integral Closures of Ideals in Completions of Regular Local Domains, joint with W. Heinzer  and C. Rotthaus, to appear, Proceedings of Lisbon Conference in Commutative Algebra.

 

“Non-finitely generated prime ideals in  subrings of   power series rings”, joint with W. Heinzer  and C. Rotthaus, Rings, Modules, Algebras, and Abelian Groups, Dekker, Lecture Notes in Pure & Applied Mathematics 236, ISBN number 0-8247-4807-7, 2004.

 

“Prime ideals in birational extensions of two-dimensional domains over orders”, joint with A. Serpil Saydam, J. Pure &

Applied Algebra, to appear.

 

“Examples of  integral domains inside power series rings”,joint with W.\ Heinzer  and C. \ Rotthaus, in Commutative Rings

and Applications, Lecture Notes in Pure & Applied Mathematics 231, Dekker 2002.

 

“Catenary local rings with geometrically  normal formal fibers”,  joint with W. Heinzer  and C.  Rotthaus, Algebra, Arithmetic and Geometry with Applications, Springer, ISBN number 3540004750, 2003.

 

“Noetherian domains with the same prime ideal structure as Z2[x]”, joint with A. Serpil Saydam,  Arab. J. Sci. Eng.

(AJSE)Sect. C Theme Issues 26 (2001), no. 1, 187--198.

 

“Building Noetherian and non-Noetherian integral domains using power series”, joint with W.\ Heinzer  and C. \ Rotthaus, in

Ideal Theoretic Methods in Commutative Algebra (D. D. Anderson and Ira Papick, eds.), (Columbia, MO, 1999), 251--264,                    Lecture Notes in Pure and Appl. Math., 220, Dekker, New York, 2001.

 

"Intermediate rings between a local domain and its completion II", joint with W. Hein-zer and C. Rotthaus, Illinois J. Math. Vol. 45, No. 3, 2001, 965--979.


"Prime ideals and decomposition of modules", joint with Roger Wiegand, in Non-Noetherian Commutative Ring Theory, Math. Appl., 520, Scott Chapman and Sarah Glaz, eds., Kluwer Acad. Publ., Dordrecht, 2000, 403--428.

"Approximating discrete valuation rings by regular local rings", joint with W. Heinzer and C. Rotthaus, Proc. Amer. Math. Soc. 129 (2001), no. 1, 37--43..


"Noetherian domains inside a homomorphic image of a completion", joint with W. Heinzer and C. Rotthaus, J. Algebra 215, 1999, 666-681.



"Building Noetherian domains inside an ideal-adic completion", joint with W.Heinzer, C.Rotthaus, in Abelian Groups, Module Theory and Topology (Dikran Dikranjan and Luigi Salce, eds.), Marcel Dekker, Inc. 1998, 279-287.


"Noetherian domains inside a semilocal domain and its completion", joint with W.Heinzer, C.Rotthaus, J. of Algebra 198, 1997, 627-655.


"Idealwise algebraic independence for elements of the completion of a local domain", joint with W.Heinzer, C.Rotthaus, Illinois Journal, 41 (2), 1997, 272-308.

"Prime ideals in polynomial rings over one-dimensional domains", joint with W. Heinzer, Trans. AMS 347,(2), 1995, 639-650.

"Prime ideals in birational extensions of polynomial rings II" ,joint with W. Heinzer and D. Lantz, in Zero-Dimensional Commutative Rings (D. Anderson and D. Dobbs, eds.), Marcel Dekker, New York (1995).

"One-dimensional rings of finite representation type", joint with N. Cimen and R. Wiegand, in: Abelian Groups and Modules, Kluwer, Dordrecht, 1995, 95--121.

"Bounds for one-dimensional rings of finite Cohen-Macaulay type", joint with R. Wiegand, J. Pure Appl. Algebra 93, 1994, 311--342.

"Projective lines over one-dimensional semilocal domains and spectra of birational extensions", in: Algebra Geometry and Applications, (C. Bajaj, ed.), Springer Verlag, New York 1994.

"Prime ideals in birational extensions of polynomial rings", joint with W. Heinzer and D. Lantz) in: Commutative Algebra: Syzygies, Multiplicities and Birational Algebra, edited by W. Heinzer, C. Huneke, and J. Sally, AMS Contemporary Mathematics 171, 1994.

"Direct Limits of prime spectra", joint with C. Rotthaus, AMS Contemporary Mathematics 171, 1994.

"On the compositum of two power series rings", joint with S. Abhyankar and W. Heinzer, Trans. Amer. Math. Soc. 331, 1992, 563--584.

Collaborators

S. Abhyankar, N. Cimen, W. Heinzer, A. Li, D. Lantz, M. Luckas, C. Rotthaus, K. Smith, R. Wiegand, M. Arnavut

PhD students

Aihua Li (PhD 1994)

Azime Serpil Saydam (PhD 1999)

Meral Arnavut (PhD 2002)  

Melissa Luckas (current)

Christina Eubanks-Turner (current)

Thesis Advisor

L. S. Levy