Carol L. Walker
| Dept. of Mathematical Sciences |
Phone: (505) 646-3901 |
| New Mexico State University |
Fax: (505) 646-1064 |
| Las Cruces, NM 88003 |
hardy@nmsu.edu |
Office Location: New Science Hall Room 247
PROFESSIONAL EXPERIENCE
Music Teacher, Olathe Elementary and Middle School, Olathe,
Colorado, 1955-1956;
Member, Institute for
Advanced Study,
Princeton, New Jersey, 1963-1964;
Assistant Professor of Mathematics, New
Mexico State University, 1964-1966;
Associate Professor of Mathematics, New
Mexico State University, 1966-1972;
Visiting Professor of Mathematics, Rice University,
1970-1971 (on sabbatical leave from New Mexico State University);
Professor of Mathematics, New Mexico
State University, 1972-1996;
Acting Assistant Dean of Graduate
School, New Mexico State University, 1976-1977;
Faculty Affiliate, Colorado
State University,
1977-1978 (on sabbatical leave from New Mexico State University);
Department Head, Department
of Mathematical
Sciences, New Mexico State University, 1979-1993;
Acting Dean of Graduate
School, New Mexico State University, Summer 1983;
Visiting Scholar, University
of California
at Berkeley, Spring 1986 (on sabbatical leave from New Mexico State
University);
Associate Dean of Arts
and Sciences
and Director of Arts
and Sciences Research Center, New Mexico State University, 1993-96;
Associate Dean Emeritus, New
Mexico State
University, 1996-present.
FELLOWSHIPS AND HONORS
Regents
Scholarship, University of Colorado,
1952-1955;
National
Defense Education Act (NDEA) Fellowship, New
Mexico State University, 1960-1963;
National
Science Foundation Postdoctoral Fellowship, 1963-1964;
Distinguished Alumni for the College of Arts and Sciences,
2001.
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EDUCATION
B.M.C.,
University
of Colorado, 1957 (Music Education)
M.S.,
New
Mexico State University, 1961 (Mathematics)
Ph.D.,
New
Mexico State University, 1963 (Mathematics)
Advisor David
K. Harrison
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PUBLICATIONS
RESEARCH PAPERS
- On N-high subgroups of Abelian
groups, Bull.
Soc. Math. France, 89(1961), 451-460 (with J. M. Irwin and E. A.
Walker) abstract pdf
- Splitting properties of high subgroups, Bull.
Soc. Math. France, 90(1962) 185-192 (with J. M. Irwin and E. A.
Walker) abstract
pdf
- High extensions of Abelian groups, Acta
Math. Sci. Hung., 14(1963) 319-330 (with D. K. Harrison, J. M.
Irwin,
E. A. Walker) abstract pdf
- On pß-pure sequences of
Abelian
groups, Topics in Abelian Groups,
Scott
Foresman and Co., Chicago, (1963) 69-119 (with J. M. Irwin and E. A.
Walker) abstract
pdf
- Properties of Ext and quasi-splitting of
Abelian
groups, Acta Math. Sci. Hung.,
15(1964)
157-160 abstract
- Relative homological algebra and Abelian
groups, Ill.
Jour. of Math., 10(1966) 186-209 abstract
- Quotient categories of modules, Proceedings
of the Conference on Categorical Algebra La Jolla 1965,
Springer-Verlag,
Berlin (1966) 404-420 (with E. A. Walker) abstract
pdf
- On a certain purification problem for
primary
Abelian
groups, Bull. Math. Soc. France,
94(1966)
207-210 (with F. Richman) abstract
- Projective classes of Abelian groups, Studies
on Abelian Groups, Dunod, Paris, (1968) 335-343 (with F. Richman
and
E. A. Walker) abstract
pdf
- Quotient categories and rings of quotients, Rocky
Mountain Jour. of Math., 2(1972) 513-555 (with E. A. Walker) abstract
pdf
- Projective classes of completely
decomposable
Abelian
groups, Arkiv der Math., 23(1972)
581-586 abstractps
file tex file pdf
file
- Projective classes of cotorsion groups, Ill.
Jour. of Math., 17(1973) 689-706 abstract
- Local quasi-isomorphisms of torsion free
abelian
groups, Ill. Jour. of Math.,
18(1974)
537-551 abstract
- Unique decomposition and isomorphic
refinement theorems
in additive categories, Jour. of Pure
and
Appl. Alg., 7(1976) 347-359 (with R. B. Warfield, Jr.) abstract
- Stone algebra extensions with bounded
dense
sets, Algebra
Universalis, 37(1997) 1-23 (with M. Gehrke and E. Walker) abstract
pdf
- De Morgan systems on the unit interval, International
Journal of Intelligent Systems 11(1996) 751-759 (with M. Gehrke and
E. Walker) abstract
pdf
- Some comments on interval-valued fuzzy
sets, International
Journal of Intelligent Systems 11(1996) 751-759 (with M. Gehrke and
E. Walker) abstract
pdf
- A mathematical setting for fuzzy logics, International
Journal of Uncertainty, Fuzziness and Knowledge-Based Systems,
5(1997)
223-238 (with M. Gehrke and E. Walker) abstract
pdf
- A note on negations and nilpotent t-norms, International
Journal of Approximate Reasoning, 21(1999) 137-155 (with M. Gehrke
and E. Walker) abstract
pdf
- Averaging operators on the unit interval, International
Journal of Intelligent Systems, to appear abstract
- Fuzzy Logics Arising from Strict De
Morgan
Systems, Topological
and Algebraic Structures in Fuzzy Sets, A Handbook of Recent
Developments
in the Mathematics of Fuzzy Sets, S. Rodabaugh and E. P. Klement,
Eds.,
Kluwer, Dordrecht, (2003) Chapter 9, 257-276 (with M. Gehrke and E.
Walker). abstract
pdf
- Groups, t-Norms, and Families of De
Morgan
Systems, Topological
and Algebraic Structures in Fuzzy Sets, A Handbook of Recent
Developments
in the Mathematics of Fuzzy Sets, S. Rodabaugh and E. P. Klement,
Eds.,
Kluwer, Dordrecht, (2003) Chapter 19, 455- (with E. Walker). abstract
pdf
- Powers of t-Norms, Fuzzy
Sets and Systems, 129 (2002) 1-18 (with
E. Walker) abstract
pdf
- Normal Forms and Truth Tables for Fuzzy
Logics, Fuzzy
Sets and Systems: Special Focus Issue, L. Stout and E. P. Klement,
Eds., to appear (with M. Gehrke and E. Walker). pdf
- Automorphisms of Powers of Linearly Ordered Sets, International
Journal of Uncertainty, Fuzziness and Knowledge-based Systems, 14-1
(2006) (with E. Walker).
- Automorphisms of the Algebra of Fuzzy
Truth Values, International
Journal of Uncertainty, Fuzziness and Knowledge-based Systems, 14(6)
(2006), 711-732.
BOOKS
- Mathematics for the Liberal Arts Student,
Brooks-Cole, Monterey, Calif., (1967); Second Edition (1973) (with Fred
Richman and Robert
J. Wisner).
- College Trigonometry, Scott
Foresman
and Co.,
Chicago, 1970 (with Fred
Richman
and Elbert Walker).
- Doing Mathematics with Scientific
WorkPlace, Brooks-Cole, Monterey, Calif., (1995); Revised Edition
(1996)(with Darel
Hardy).
- Doing Mathematics with Scientific
Notebook and Scientific WorkPlace 3.0 (on-line help) (1997) (with Darel
Hardy).
- Doing Mathematics with Scientific
Notebook and Scientific WorkPlace 3.0, MacKichan
Software (web downloadable book) (1998) (with Darel
Hardy).
- Doing Mathematics with Scientific
Notebook and Scientific WorkPlace 3.5, MacKichan
Software, (2000).
- Doing
Calculus
with
Scientific Notebook, Brooks-Cole, Monterey, Calif., (1997) (with Darel
Hardy); now available from MacKichan
Software.
- Mathematics
for the Liberal Arts Student, Prentice-Hall,
Inc., Upper Saddle River, New Jersey (2000) (with Fred
Richman, Robert
J. Wisner, and James
Brewer).
- Doing
Mathematics with
Scientific WorkPlace and Scientific Notebook 4.0, MacKichan
Software, (2002) (with Darel
Hardy).
- Doing
Mathematics with
Scientific WorkPlace and Scientific Notebook 5.0, MacKichan
Software, (2003) (with Darel
Hardy).
- Mathematics
for the Liberal Arts Student, Kendall/Hunt,
(2003) (with Fred Richman,
Robert
J. Wisner, and James
Brewer).
- A First Course in Fuzzy and Neural Control,
Chapman & Hall/CRC, Boca
Raton,
Florida (2003) (with Hung
T.
Nguyen, Radipuram Prasad, and Elbert
Walker).
- Applied
Algebra: Codes, Ciphers, and Discrete Algorithms, Prentice-Hall,
Inc., Upper Saddle River, New Jersey (2003) (with Darel
Hardy).
- Calculus: Understanding
Its Concepts and Methods, MacKichan
Software, Inc., (2006) (with Darel
Hardy, Fred
Richman, and Robert
J. Wisner)
...
...
...
CONFERENCE PROCEEDINGS
- Algebraic aspects of fuzzy sets and fuzzy
logic, Proceedings
of the Workshop on Current Trends and Developments in Fuzzy Logic,
Thessaloniki,
Greece, October 16-20, 1998 (1999) 101-170 (with M. Gehrke and E.
Walker) abstract
pdf
- Some Group Theoretic Aspects of t-norms,
Proceedings
of the Eighth International Fuzzy System Association World Congress,
Vol
I, Taipei, Taiwan ROC, August 17-20 (1999) 255-259 (with E.
Walker). pdf
- Algebraic Aspects of Fuzzy Connectives,
Proceedings
of International symposium on Medical Informatics and fuzzy Technology:
MIF'99, Hanoi, Vietnam, August 26-29 (1999) 306-314 (with M.
Gehrke, E. Walker). pdf
- Some Comments on Fuzzy Normal Forms,
Proceedings
of the Ninth IEEE International conference on Fuzzy Systems: Fuzz-IEEE
2000, San Antonio, Texas, May 7-10 (2000) 593-596 (with M. Gehrke
and
E. Walker). pdf
- Normal Forms and Truth Tables for
Interval-valued
Fuzzy Logic, 2001 Transactions of the Joint IFSA World
Congress
and 20-th NAFIPS International Conference, July 25-28, Vancouver,
British Columbia, 1327-1331 (with M. Gehrke and E. Walker). pdf
- Some Basic Theory of Interval-valued
Fuzzy
Sets, Transactions
of the Joint IFSA World Congress and 20-th NAFIPS International
Conference, Vancouver,
British Columbia,July 25-28 (2001) 1332-1336 (with M. Gehrke and E.
Walker). pdf
- Categories of fuzzy sets, Proceedings
of
the second International conference on Intelligent Technologies: InTech
2001, Bangkok, Thailand, November 27-29 (2001) 255-259.
- Inequalities in De Morgan Systems I,
2002
IEEE Proceedings of the International Conference on Fuzzy Systems, Honolulu,
Hawaii, May 12-17 (2002) 607-609 (with E. Walker). pdf
- Inequalities in De Morgan Systems II,
2002
IEEE Proceedings of the International Conference on Fuzzy Systems, Honolulu,
Hawaii, May 12-17 (2002) 610-615 (with E. Walker). pdf
- Varieties Generated by t-norms, Proceedings
of the Third International Conference on Intelligent Technologies and
Third
Vietnam-Japan Symposium on Fuzzy Systems and Applications, Hanoi,
Vietnam,
December 3-5 (2002) 22-24 (with G. Bezhanisvili, M. Gehrke, J. Harding,
and E. Walker).
- t-norms on fuzzy sets of type-2, 24th
Linz
Seminar on fuzzy Set Theory: Triangular Norms and related Operators in
Many-Valued Logics, February 4-8 (2003) (with E. Walker)
- Varieties generated by t-norms, 24th
Linz
Seminar on fuzzy Set Theory: Triangular Norms and related Operators in
Many-Valued Logics, February 4-8 (2003) (with G. Bezhanishvili, M.
Gehrke, J. Harding, E. Walker)
- Algebraic Structures on fuzzy Sets of
Type-2, Proceedings
of International conference on Fuzzy Information Processing: Theories
and
Applications, Beijing, China, March 1-4 (2003) 97-100 (with E.
Walker).
- Ordinary,
Interval-valued, and Type-2 Fuzzy Sets, (Invited address) Proceedings of the International
Conference on Intelligent Technologies 2003, Chiang Mai,
Thailand, December 17-19, (2004), xiii (with E. Walker).
- Generalizing
Leximin to t-norms and t-conorms, 2004 Proceedings of the 20-th
NAFIPS
International
Conference, June 27-30, Banff, Alberta, Canada, 343-345
( with E. Walker and R. Yager).
- Automorphisms of Algebras
of Fuzzy Truth Values, Proceedings
of the International Conference
on Intelligent Technologies 2004, Houston, Texas, 5 pp.
(with E.
Walker).
- Some Comments on Lexi-T
Orderings for Strict t-Norms, IEEE
International Conference on Fuzzy Systems, May 22-25, 2005,
Reno, Nevada, abstract, 669-671, (with E. Walker and R. Yager).
- Automorphisms
of Powers of Linearly Ordered Sets, Algebraic and Topological Methods in
Non-Classical Logics II, June 15-18, 2005, Barcelona,
Spain, 89-90, abstract, (with E. Walker).
- Automorphisms of the Algebra of
Fuzzy Truth Values I, Proceedings
of the 8-th Joint Conference on Information Sciences, July
21-25, 2005, Salt Lake City, Utah, 3pp. abstract, (with E.
Walker).
- Automorphisms of the Algebra of
Fuzzy Truth Values II, Proceedings
of the 8-the Joint Conference on Information Sciences, July
21-25, 2005, Salt Lake City, Utah, 2 pp. abstract, (with E. Walker).
- Some General Comments on Type-2
Fuzzy Sets, Proceedings of the 6-th International
Conference on Intelligent Technologies (InTech '05) , (Abstract of Plenary Address),
Dec 14-16, 2005, Phuket, Thailand, (with E. Walker).
- Sets
with type-2 operations, 2006
Proceedings of the 21-st NAFIPS International Conference, Montreal,
Canada, June 3-6, 5pp. abstract, (with E. Walker).
- T-norms
for type-2 fuzzy sets, 2006
Proceedings of the World Congress on Computational Intelligence, Vancouver,
Canada, July 16-21, 4 pp. abstract, (with E. Walker).
- A Survey of
Some Mathematical Aspects of Fuzzy Sets of Type-2, Proceedings of the 7-th International
Conference on Intelligent Technologies (InTech '06) , (Abstract of one hour Invited
Address),
Dec 13-15, 2006, Taipei, Taiwan, (with E. Walker).
- Points With Type-2 Operations,
Proceedings of IFSA conference, June 2007, Cancun (with E. Walker).
- Type-2 Intervals
of Constant Height, Proceedings of NAFIPS conference, June 2007,
San Diego (with E. Walker).
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RESEARCH INTERESTS
Abelian group theory; applications of homological algebra and
category
theory to Abelian groups, categories of modules, and general algebraic
systems; lattice theory, the mathematics of fuzzy sets and fuzzy logic.
PROFESSIONAL SERVICE
Membership in Professional and Honorary Societies
American Mathematical Society, Association for Women in Mathematics,
Phi Kappa Phi, Pi Mu Epsilon
State and National Committees
New Mexico Statewide Articulation Committee, Chairman for Mathematics,
Statistics and Computer Science 1982-1987; Co-chair for Mathematics
1991-96
American Mathematical Society Committee on the Agenda, 1985-1991
American Mathematical Society Pi Mu Epsilon Liaison Committee, (Chair)
1990-91
New Mexico State University - Selected Committees and Offices
University Appeals Board, 1972-73 and 1991-93
Women Faculty Steering Committee 1973-75; President 1974-75
Phi Kappa Phi, President of New Mexico State University Chapter 1974-75
Coordinator of AS 300 Women and Society, Spring 1975
College Research Affairs Committee, 1974-75; Chairman, 1975-76
College Council, 1975-76
Mortar Board, Faculty Adviser, 1975-77
Pi Mu Epsilon, Faculty Adviser, 1975-77
Building Committee for Mathematical Sciences/Psychology/Computer
Science,
1983-1987
See some of my family
hardy@nmsu.edu
Last modified: March 21, 2003