Luis
F. Cáceres-Duque
EDUCATION
08/95-12/98 University of Iowa Iowa City, Iowa
Ph.D. in Mathematics
Logic and algebra
G.P.A. 4.0
Passed with High Distinction the Logic Comprehensive Examination.
Recipient of the GAANN (Graduate Assistant Aid in Areas of
National Need) Fellowship.
01/89-12/91 University
of Puerto Rico Mayagüez,
PR
M.S. in Applied Mathematics
Optimization and Control Theory
G.P.A. 4.0
08/84-06/88 Javeriana University
Bogotá, Colombia
B.S. in Mathematics
PROFESSIONAL EXPERIENCE
01/08-present University of Puerto Rico Mayagüez,
PR
Associate Dean for Research Affairs,
Arts and Sciences College
07/07-present University
of Puerto Rico Mayagüez,
PR
Professor
07/02-06/07 University
of Puerto Rico Mayagüez,
PR
Associate Professor
02/06-01/07 University
of Puerto Rico Mayagüez,
PR
Acting Chair, Mathematics Department
12/02-06/03 The College Board San
Juan, P.R.
College Board Consultant
01/99-06/02 University of Puerto Rico Mayagüez, PR
Assistant Professor
Instructed Abstract Algebra (graduate and undergraduate), Topology (graduate
and undergraduate), Logic (graduate and undergraduate), Mathematics
Foundations, Advanced Calculus, Number Theory, Graduate and Undergraduate Seminars,
Calculus and Pre -Calculus.
06/99-05/00 The College Board San Juan, P.R.
College Board Evaluator
Member of the College Board Committee for the Advance Level Exam in
mathematics.
Summer 1999 University of Iowa Iowa City, Iowa
Instructor
Seminar in Algebra, Logic and Real Analysis for new Ph.D. Students.
08/96-12/98 University of Iowa Iowa City, Iowa
Teaching Assistant
Instructed Calculus II, Abstract Algebra (undergraduate level) and Topology
(graduate level).
08/98-12/98 University of Iowa Iowa City, Iowa
Paper Grader
Grading Logic and Topology (graduate level).
08/96-05/97 University of Iowa Iowa
City, Iowa
Math Lab Assistant
Tutoring Pre-Calculus and Calculus at the Mathematics Tutorial Lab.
01/95-07/95 University of Puerto Rico Mayagüez,
PR
Instructor
Instructor in the "Saturday Academy of Mathematics Investigation,
1995," teaching high school students and teachers the uses of graphic
calculators and their applications.
01/92-07/95 University of Puerto Rico Mayagüez, PR
Mathematics Instructor
Instructed Pre-calculus, Calculus I, II and III, Differential Equations and
Mathematics Foundations.
08/93-06/94 University of Puerto Rico Mayagüez,
PR
Instructor
Instructor in the "Saturday Academy of Mathematics Investigation,
1993-1994," teaching high school students and teachers the uses of graphic
calculators and their applications.
Summer/90 University of Puerto Rico Mayagüez, PR
Computer Programmer
Computer Programmer for the RIMI (Strengthening The
Applied and Computational Mathematics Component NSF) project, which involved
Optimal Control Problems.
01/89-12/91 University
of Puerto Rico Mayagüez,
PR
Teaching Assistant
Instructed Pre-calculus and Calculus I and II.
06/89-08/91 University of Puerto Rico Mayagüez, PR
Computer Laboratory Instructor
Instructed a basic course in computer science.
01/88-12/88 Javeriana University
Bogotá, Colombia
Professor
Instructed Calculus I, II and III, and Linear Algebra
01/86-12/87 Javeriana University
Bogotá, Colombia
Teaching Assistant
THESIS AND PUBLICATIONS
- Math Activities for the
Classroom, AFAMaC publications, 2008.
- Problems and Solutions:
Mathematics Olympiads in Puerto Rico:
2006-2007 with Jonathan Ho and Arturo Portnoy,
AFAMaC publications, 2007.
- Problems and Solutions: Mathematics
Olympiads in Puerto Rico: 2005-2006
with Jonathan Ho and Arturo Portnoy, AFAMaC publications, 2006.
- Problems and Solutions:
Mathematics Olympiads in Puerto Rico:
2004-2005 with José Velez, AFAMaC
publications, 2005.
- Problems and Solutions: Mathematics
Olympiads in Puerto Rico: 2001-2004
with Moisés Delgado, Stanislaw Dziobiak, Gerardo Hernández
and Arturo Portnoy, IFEM publications, 2005.
- Topics in Math Olympiads,
IFEM publications, 2004.
- Some Divisibility
Properties in Rings of Polynomials over a UFD, with José Velez,
submitted to Discussiones Mathematicae
General Algebra and Applications, 2004.
- Ideal Theories for Some
Commutative Rings, Bulletin of the Section of Logic, V32/1-2, 2003,
pp. 9-18.
- Application of Filtered
Products and Ultraproducts in Algebra, with
Walter J. Meléndez, Revista
Integración, Vol. 21 (2003), 1-14
- An Effective Procedure for
Minimal Basis for Ideals in Z[x], Discussiones
Mathematicae General Algebra and Applications,
23 (1), 2003, pp. 5-11.
- A description of ideals in
Noetherian Rings, with George Nelson,
Communications in Algebra, V3, 7, 2003, pp. 3039-3060.
- Ultraproducts
and Algebraic Structures, The Bulletin of Symbolic Logic, V8, 1, abs.
pp127-128, 2002.
- Propositional Logic and
Algebraic Structures, Proceedings of the ICM-2002, pp. 1.
- Ideal Theories of the Ring
of Polynomials over the Integers, Bulletin of the Section of Logic, V
30/1, 2001, pp. 21-31.
- Ultraproducts
and Algebraic Structures , Collegium
Logicum, Annals of the Kurt-Godel-Society,
V4, 2001, pp. 67.
- Filtered Products of
Subgroups and Ideals, with Edoardo Carta, Proceedings of the National Conference on
Undergraduate Research NCUR 2001.
- Ultraproduct
of Ideals in a Noetherian Ring, Proceedings
of the XV SIDIM, 2001, pp. 19-25.
- Ultraproducts
of Sets and Ideal Theories of Commutative Rings. Thesis. Ph.D. University of Iowa, Iowa City, Iowa,
1998.
- Using the TI-85 Graphic
Calculator in the Teaching of Calculus. Journal of the Puertorican Association of Mathematics Professors. San Juan, Puerto Rico, 1995.
- A brief story: Emmy Noether
. Atenea Journal. Puerto Rico University,
Mayagüez, Puerto Rico, 1995.
- Solution of an Optimal
Control Problem with two Controls and two State Variables .
Thesis. MS. University of Puerto Rico, Mayagüez,
Puerto Rico, 1991.
- Relevant Properties of
Arbitrary Rings. Abstract. Bulletin of The
Sciences Faculty. Javeriana University,
Bogotá, Colombia, 1988.
- Relevant Properties of
Arbitrary Rings. Thesis. B.S.
Javeriana
University, Bogotá, Colombia, 1988.
PRESENTATIONS
- 5to CIEMAC, “Mathematical
Activities in the Classroom”, Cartago,
Costa Rica,
2007.
- Primer Encuentro Iberoamericano de la
Enseñanza del Cálculo y Sexto Encuentro Nacional de la Enseñanza del
Cálculo, “Geometric Proofs
in Calculus and Precalculus”,
Bogotá, Colombia, 2007.
- Seminar in Education,
“Integrated Math and Problem solving: a short course”, Mérida, Venezuela,
2007.
- XXI SIDIM, Problems in Mathematics Olympiads, Caguas, Puerto Rico
2006
- 4to CIEMAC, Integrated Mathematics, Cartago, Costa Rica 2005.
- ICMI 15th, How do the components and structure of
a curriculum affect the content knowledge of mathematics teachers?, with A.
Person, M. Alfaro, A. Portnoy , Brazil,
2005.
- XX SIDIM, AFAMaC: An Innovative Education Project, Mayagüez,
Puerto Rico, 2005.
- XVI Iberoamerican
Conference in the Teaching of Mathematics, Integrated Math, Castellón, Spain,
2004.
- 9th Conference on
Applications of Logic in Philosophy and Mathematics Foundations, Divisibility Properties in Rings of
Polynomials, Karpacz, Poland,
2004.
- XIX SIDIM. A Model for Mathematic Olympiads in Puerto Rico, Cayey,
Puerto Rico 2004.
- Summer School in Algebra and
Ordered Sets, Filtered Intersections
and Algebraic Structures, Kosice,
Slovak, 2003.
- North East Conference on
Mathematics Divisibility Properties
in Rigs of Polynomials, Bucaramanga,
Colombia,
2003.
- Integrated Mathematics, 10 workshops for Math Teachers around Puerto Rico, 2003.
- RELME 17 A Model for Mathematic Olympiads in Puerto Rico, Santiago, Chile, 2003.
- 36th APMM
Conference, A Model for Mathematic Olympiads in
Puerto Rico, plenary talk, Humacao, Puerto Rico, 2003.
- XVIII SIDIM. Some Properties of Rings of Polynomials,
Ponce, Puerto Rico, 2003.
- International Congress of
Mathematicians 2002, Propositional Logic and Algebraic Structures, Beijing, China 2002.
- National Week of Science, Propositional Logic and Algebraic
Structures, Bucaramanga,
Colombia,
2002.
- Modular Arithmetic, Eugenio María de Hostos High School, Mayagüez, Puerto Rico, 2002.
- Ultraproducts, Logic and Ideals, University of Silesia, Poland, 2002.
- VI Conference on Algebra and
Applications, Ultraproducts, Logic and Ideals, Zakopane,
Poland,
2002.
- The Membership Problem for Ideals in Z[x], University of Opole, Poland,
2002.
- Mathematics Department
Seminar, Atomic Ideals in
Commutative Rings, Mayagüez, Puerto Rico, 2001.
- European Summer Meeting of
the ASL, Ultraproducts and Algebraic Structures, Vienna, Austria
2001.
- Games and Applications of
Abstract Algebra, Mayaguez, Puerto Rico, 2001.
- XVI SIDIM, "An effective Procedure for Minimal
Bases of Ideals of Z[x]", Humacao, Puerto Rico, 2001.
- Using Applications and
Technology to Teach Abstract Algebra, Bayamón,
Puerto Rico, 2000.
- National Congress of
Mathematics, "Ultraproduct of Sets", Sciences Institute,
Bogotá, Colombia, 2000.
- National Congress of
Mathematics, "Logic and Ideals",
Andes University, Bogotá, Colombia,
2000.
- National Congress of
Mathematics, "Games,
Applications and Abstraction", Javeriana University, Bogotá, Colombia,
2000.
- Annual Convention of the Puertorican Association of Mathematics Professors,
"Games and Abstraction",
Ponce, Puerto Rico, 2000.
- XV SIDIM, "Ultraproduct of Ideals",
Mayagüez, Puerto Rico, 2000.
- LUATCS’99. "Ultraproduct of Ideals in a Noetherian
Ring", Johannesburg,
Africa, 1999.
- Mathematics Department
Seminar. "A Description of
Ideals in Noetherian Rings". Luis F. Cáceres and George Nelson (presenter). Iowa City, Iowa,
1999.
- GTE/RUM: Using Technology to Bridge the Gap Between
High School and College in Puerto Rico,
Luis F. Cáceres, Rafael Martínez
and Dan McGee (presenter). Texas,
1999.
- Games in Group Theory,
Luis F. Cáceres and Alfonso Heras
(presenter), Mayagüez, Puerto
Rico 1999.
- American Mathematical
Society, Regional Meeting. "Ideals
of Rings, Limits and Logic”. Luis F. Cáceres
and George Nelson (presenter). Iowa
City, Iowa 1999.
- Mathematics Department
Seminar. "Ultraproducts and Noetherian
Rings". Mayagüez, Puerto
Rico 1999.
- Fourteenth SIDIM.
(Interuniversity Mathematical Research Seminar). "Sentential Logic and Ideals", San Juan, Puerto Rico 1999.
- Logic and Mathematics
Foundation Seminar. "Sentential
Logic and Ideals". Iowa
City, Iowa 1998.
- Logic and Mathematics
Foundation Seminar. "Ultraproducts of
Ideals", Iowa City,
Iowa 1998.
- Logic and Mathematics
Foundations Seminar. "Minimal
basis for Ideals of Z[x]", Iowa
City, Iowa 1998
- Logic and Mathematics
Foundations Seminar. "Ideal
Theories of Z[x]", Iowa
City, Iowa 1998
- Annual Convention of the Puertorican Association of Mathematics Professors.
"Using the TI-85 Calculator in
the Teaching of Calculus", San
Juan, PR, 1995.
- Regional Convention of the Puertorican Association of Mathematics Professors.
"Using the TI-85 Graphic
Calculator.", Mayagüez,
PR, 1994.
- 2nd Convention of
Calculus Teaching. "Using
Graphic Calculators in the Teaching of Calculus and the USA
Calculus reform." Bogotá,
Colombia,
1994.
- Math Counts Workshop for High
School Teachers. Mayagüez, PR, 1994.
- Seventh SIDIM. "An Optimal Control Problem." Mayagüez, PR, 1992.
RECENT GRANTS
- XII Centralamerican
and Caribbean Math Olympiad, Templeton Foundation ($120,000) CoPI
- XII Centralamerican
and Caribbean Math Olympiad, Different Sources, ($150,000) CoPI
- AFAMaC-Mathematics
2009-2010, Department of Education of Puerto Rico, ($578,000) PI
- Math Competitions 2009-2010,
Epsilon Fund, American Mathematical Society, ($15,000) PI
- AFAMaC-Mathematics
2008-2009, Department of Education of Puerto Rico, ($550,000) PI
- Math Competitions 2008,
Epsilon Fund, American Mathematical Society, ($7,500) PI
- Math Competitions 2008, different
sources ($23,000) PI
- AFAMaC: Alianza para el Fortalecimiento del
Aprendizaje de las Ciencias y las Matemáticas, 2007-2008, Department of Education of
Puerto Rico. ($2,000,000) PI
- Math Competitions 2007,
different sources ($25,000) PI
- REU-PREMUR: Puerto Rico
Experiences in Mathematics and Undergraduate Research, National Security
Agency, 2007. ($96,000) PI
- Yauco, Maestros de excelencia, 2007. ($96,000)PI
- AFAMaC: Alianza para el Fortalecimiento del
Aprendizaje de las Ciencias y las Matemáticas, 2006, Department
of Education of Puerto Rico. ($500,000) PI
- Yauco, Maestros de excelencia, summer
2006. ($130,000)PI
- AFAMaC: Alianza para el Fortalecimiento del
Aprendizaje de las Ciencias y las Matemáticas, 2005-2006, Department of Education of
Puerto Rico. ($2,400,000) PI
- Math Competitions 2006,
different sources ($15,000) PI
- Math Competitions 2006,
Epsilon Fund, American Mathematical Society, ($7,000) PI
- Math Competitions 2006, UPR
($28,000) CoPI
- HACUMA: Math Competitions in
Puerto Rico 2005, Department of Education of Puerto
Rico, 2005 ($57,000)PI
- Yauco, Maestros de excelencia, summer
2005. ($65,000)PI
- IFEM, Instituto Para el Fortalecimiento de la
Enseñanza de las Matemáticas, Department of Education of Puerto Rico, 2005. ($93,000) PI
- REU-PREMUR: Puerto Rico
Experiences in Mathematics and Undergraduate Research, National Security
Agency, 2005. ($75,000) PI
- AFAMaC: Alianza para el Fortalecimiento del
Aprendizaje de las Ciencias y las Matemáticas, 2004-2005, Department of Education of
Puerto Rico. ($1,974,000) PI
- REMA: Mathematical
Re-Conceptions, 2004, Department of Education of Puerto
Rico. ($530,000) CoPI
- HACUMA: Math Competitions in
Puerto Rico 2003-2004, Department of Education of Puerto
Rico, Mathematics Program 2004. ($113,000) PI
- HACUMA: Math Competitions in
Puerto Rico 2003-2004, Department of Education of Puerto Rico, 2003-2004.
($40,000) PI
- IFEM, Instituto Para el Fortalecimiento de
la Enseñanza de las Matemáticas, Department of Education of Puerto Rico, 2003-2004. ($112,000) PI
- Summer Camp for Las Marías and Mayagüez
students, from WIA program, summer 2003. ($5,000) PI
- Grant for undergraduate
research, from Alliance
for Minority Participation, spring and summer 2003.
- IFEM, Instituto Para el Fortalecimiento de
la Enseñanza de las Matemáticas, Department of Education of Puerto Rico, 2002. ($92,000) PI
- Math Competitions in Puerto
Rico 2002-2003, Department of Education of Puerto
Rico, 2002. ($25,000) PI
- Grant for the participation
in the Building Teacher Leadership in Mathematics, Cambridge, 2002, granted by NSF.
- Grant for the participation
in the IV Conference on Algebra and its Applications, Zakopane, Poland, 2002, granted by the
organizing committee.
- Grant for the participation
in the AMS-MER workshop on Professional Master's Degrees in Teaching
Mathematics, granted by NSF, 2001.
- Grant for the participation
in the 2001 European Summer Meeting of the Association of Symbolic Logic
(Vienna), granted by ASL, 2001.
- An Effective Procedure for
Minimal Bases of Ideals in Z[x], Research and Development Center,
2001,
- Math Competitions in Puerto
Rico 2001-2002, Department of Education of Puerto
Rico, 2001.
- Cooperative Learning for
Mathematics Foundations and Advanced Calculus, Alliance for Minority Participation,
2001.
- Grant for undergraduate
research, from Alliance
for Minority Participation, 2001.
- Using Web-based technology to
improve study skills, retention and success in Calculus courses, US
Department of Education, CO-PI, 2000.
- Grant for undergraduate
research, from Alliance
for Minority Participation, 2000.
- Grant for the Participation
in the Mathematical Challenges of the 21st century (California),
granted by NSF, 2000.
- Grant for the participation
in the 2000 European Summer Meeting of the Association of Symbolic Logic
(Paris), granted by NSF, 2000.
- Grant for the project
“Introduction to Algebraic Structures", granted by PR- Alliance for
Minority Participation, Curriculum
Innovation Center,
1999.
- Grant for the XV SIDIM,
granted by the University
of Puerto Rico and
private industries 1999.
- Grant for the participation
in the First Southern African Summer School and Workshop on Logic,
Universal Algebra and Theoretical Computer Science, granted by "Rand Afrikaans University",
Johannesburg, South Africa, 1999.
GRADUATE RESEARCH:
1. Virgilio Morales, Propositional Theories and Algebraic Structures, MS Thesis,
2002.
2. Joel Meléndez, Ultraproducts and Algebraic Structures, MS Thesis, 2003.
3. José Vélez,
Properties in Rings of Polynomials, MS Thesis, July 2005.
4. Wanda Ortíz, Propositional
Theories, Lattices and Boolean Algebras, MS Project, December 2006.
UNDERGRADUATE RESEARCH
- Filtered Products (Jonathan Ho Fung)
Presentations:
XXV SIDIM, Mayagüez, 2005. (poster)
- The Membership Problem for Ideals of
Polynomials over the Integers Z[x] (Carlos Arreche),
2004.
3th
Place in The International Science and Engineering
Fair, Portland,
2004
Karl Menger award
of the AMS
Publication: Rose-Hulman mathematics Jornal, Vol 6. Issue 2, 2005
- Cryptosystems (Daniel Sánchez), 2003
- Gröbner
Basis and Ideals of Z[x] (Reyes Ortiz), 2000-2001.
Presentations:
Joint Mathematics Meetings, New
Orleans, 2001. (poster)
XVI SIDIM, Humacao, 2001. (poster)
- Ultraproducts
and Algebraic Structures (Edoardo Carta), 2000.
Presentations:
Joint Mathematics Meetings, New
Orleans, 2001. (poster)
Junior Technical Meeting, Ponce,
2001. (oral)
XVI SIDIM, Humacao, 2001. (poster)
NCUR, Lexington,
2001. (oral)
PROFESSIONAL ACTIVITIES
- 17th convention of
the kangaroo without frontiers, Minsk, Belarus, 2009
- Head Coach of The Puerto Rico
team for the XI Caribbean and Central-American Mathematical Olympiad,
Bogotá, 2009.
- Head Coach of The Puerto Rico
team for the XXIV Iberoamerican Mathematics
Olympiad, Queretaro, Mexico, 2009
- Head Coach of The Puerto Rico
team for the 50th International Mathematics Competition,
Bremen, Germany,
2009.
- Mathematical Olympiad:
Planning and Designing Workshop, Jamaica, 2009.
- MSP Meeting for directors,
Chicago, 2009.
- Workshop on Biomedical
Research, Notre Dame, Indiana, 2009.
- UWI-UPR Collaboration
Project, Kingston, Jamaica, 2008.
- Iowa Mathematical Field of
Dreams Conference, Iowa, 2008
- 16th convention of
the kangaroo without frontiers, Berlin, Germany, 2008
- Head Coach of The Puerto Rico
team for the XXIII Iberoamerican Mathematics
Olympiad, Salvador de Bahia, Brazil, 2008
- Head Coach of The Puerto Rico
team for the 49th International Mathematics Competition, Madrid, 2008.
- Head Coach of The Puerto Rico
team for the X Caribbean and Central-American Mathematical Olympiad,
Honduras, 2008.
- NCTM conference, Utah, 2008.
- MSP Meeting for directors, San Francisco, 2008.
- AMS meeting, San Diego, 2008.
- MSP Meeting for directors, Washington DC,
2007.
- 15th convention of
the kangaroo without frontiers, Graz,
Austria,
2007
- Head Coach of The Puerto Rico
team for the XXII Iberoamerican Mathematics
Olympiad, Coimbra, Portugal, 2007
- Head Coach of The Puerto Rico
team for the 48th International Mathematics Competition, Vietnam, 2007.
- Head Coach of The Puerto Rico
team for the IX Caribbean and Central-American Mathematical Olympiad, Venezuela, 2007.
- AMS meeting, New Orleans, 2007.
- MSP Meeting for directors, Chicago, 2006
- 14th convention of
the kangaroo without frontiers, Barcelona,
Spain,
2006
- Head Coach of The Puerto Rico
team for the XXI Iberoamerican Mathematics
Olympiad, Guayaquil, Ecuador, 2006
- Head Coach of The Puerto Rico
team for the 47th International Mathematics Competition, Slovenia, 2006.
- Head Coach of The Puerto Rico
team for the VIII Caribbean and Central-American Mathematical Olympiad, Panama, 2006.
- Evaluation for Professional
Development of Teachers, Michigan,
2006.
- MSP Meeting for directors,
Boston 2006.
- 4to CIEMAC, Cartago, Costa Rica 2005.
- 13th convention of
the kangaroo without frontiers, Borovetz, Bulgary, 2005.
- Head Coach of The Puerto Rico
team for the VII Caribbean and Central-American Mathematical Olympiad, San Salvador, El Salvador 2005.
- Head Coach of The Puerto Rico
team for the 46th International Mathematics Competition, Merida, Mexico, 2005.
- First Iberoamerican
Seminar with Emphasis in Solving Problems, Cartagena, Colombia,
2005.
- Head Coach of The Puerto Rico
team for the XX Iberoamerican Mathematics
Olympiad, Cartagena, Colombia, 2005
- ICMI 15th,
International Conference in Mathematics Instruction, Brazil,
2005.
- Head Coach of The Puerto Rico
team for the XIX Iberoamerican Mathematics
Olympiad, Castellón,
Spain,
2004
- ICME 10, International
Congress on Mathematical Education, Copenhagen,
Denmark,
2004.
- Head Coach of The Puerto Rico
team for the VI Caribbean and Central-American Mathematical Olympiad, Managua, Nicaragua, 2004.
- Scientific Committee for Puerto Rico, International Science and Engineering
Fair, Portland, Oregon 2004.
- 9th Conference on
Applications of Logic in Philosophy and Mathematics Foundations, Karpacz,
Poland,
2004.
- XIX SIDIM, Cayey,
Puerto Rico, 2004.
- North East Conference on
Mathematics, Bucaramanga,
Colombia,
2003.
- Head Coach of The Puerto Rico
team for the XVIII Iberoamerican Mathematics
Olympiad, Mar del Plata,
Argentina,
2003
- Summer School in General
Algebra and Ordered Sets, Kosice,
Slovak, 2003.
- Head Coach of The Puerto Rico
team for the V Caribbean and Central-American Mathematical Olympiad, San José, Costa Rica, 2003.
- RELME 17, Santiago, Chile,
2003.
- Organizer of the Camp for
Olympic Students of Mathematics, Mayaguez,
Puerto Rico, 2003.
- Evaluator in the First Annual
Reverse Site Visit for the Curriculum Improvement Partnership award
Program (CIPA), NASA, Dallas, 2002.
- Head coach of the Puerto Rico team for the XVII Iberoamerican
Mathematics Competition, San
Salvador, El Salvador, 2002.
- ICM-2002, Beijing, China
2002
- Head coach of the Puerto Rico team for the IV Caribbean and
Central-American Mathematical Olympiad, Mérida, Mexico,
2002
- Organizer of the Camp for
Olympic Students of Mathematics, Mayaguez,
2002.
- Advisor for the graduate program
of the UIS (Universidad Industrial de Santander), Bucaramanga, Colombia,
2002.
- VI Conference on Algebra and
Applications, Zakopane,
Poland,
2002.
- Building Teacher Leadership
in Mathematics Institute, Cambridge,
Massachusetts, 2002.
- Peer Review Panel for NASA
proposals, 2001.
- AMS-MER Workshop on
Professional Master's Degrees in Teaching Mathematics, Cincinnati, 2001.
- Head coach of the Puerto Rico team for the XVI Iberoamerican
Mathematics Competition, Montevideo, Uruguay, 2001.
- Organizer of the Camp for
Olympic Students of Mathematics, Mayaguez,
Puerto Rico, 2001.
- Logic Colloquium 2001 and
European Meeting of the ASL, Vienna,
Austria,
2001.
- Head coach of the Puerto Rico team for the III Caribbean and
Central-American Mathematical Olympiad, Barranquilla, Colombia,
2001.
- Instructor for the Summer
School for Olympic Students, San German, Puerto Rico,
2001.
- Advisor for the graduate
program of the INTEC (Tech. Institute of Santo Domingo), Santo
Domingo, Dominican Republic,
2001.
- Joint Mathematics Meetings, New Orleans, 2001.
- Editor of the Proceedings of
the XV SIDIM, 2001.
- International Conference on
Technology in Collegiate Mathematics, ICTCM, Atlanta, 2000.
- National Congress of
mathematics, Bogotá, Colombia, 2000.
- Mathematical Challenges of the
21 st century, Los Angeles, 2000.
- 2000 European Summer Meeting
of the Association of Symbolic Logic, Paris, 2000.
- U-Factorizations in
Commutative Rings with Zero Divisors, conference , invited by the Math
Department of the University of Iowa, Iowa City, 2000.
- Member of the evaluating
committee for Presidential Awards for Excellence in Mathematics and
Science Teaching in Puerto Rico, 2000.
- Summer School, Logic,
Universal Algebra and Theoretical Computer Science, Rand Afrikaans
University, Johannesburg, 1999.
- 1999 Regional Conference on
Improving America’s Schools, Tampa,
Florida 1999.
- Commutative Rings Seminar.
"Valuation Rings". Iowa
City, Iowa 1999.
- Integrating Science and Math
with Fun Activities: A NASA Workshop. University of Puerto
Rico, Mayagüez,
PR, 1999.
- Constructive Learning
workshop. University
of Puerto Rico, Mayagüez, PR, 1999.
- Logic and Mathematical
Reasoning. International Meeting, Mexico
City, Mexico,
1997.
- American Mathematical Society
(AMS) Meeting, Iowa City,
IA, 1996.
- NSF Calculus Workshop: A
Student Centered Approach. Ithaca,
NY, 1995
- Seminar of Mathematica. University of Puerto
Rico, Mayagüez,
PR, 1995.
- Investigation and Creative
Projects Seminar. FDK Fraternity. Mayagüez, Puerto Rico, 1995.
- Distrital
Science Fair. Jury member of this fair. Mayagüez,
PR, 1995.
- 2nd Convention in
Thought and Education, Mayagüez, PR, 1995.
- Calculus Reform conference. Aimes, IA,
1995.
- Workshop: Calculus and
Pre-Calculus Teaching Reform in Puerto Rico.
Guanica, Puerto Rico,
1995.
- Scientific Investigation
Symposium. Jury member of this symposium. Mayagüez,
Puerto Rico, 1994.
- Calculus Reform
Conference. Tampa, FL, 1994.
- Ninth SIDIM. Humacao, PR, 1994.
- Participant in the
"Using Technology to Enhance the Teaching of Pre-Calculus and Calculus"
project, NSF. Mayagüez, Puerto
Rico, 1994, 1993.
- Seminar of Educational
Methodology. Mayagüez, Puerto
Rico, 1993.
- Eighth SIDIM. San German, Puerto Rico, 1993.
- Seminar: "Use of Graphic
Calculators," Mayagüez, Puerto
Rico, 1992.
- Sixth SIDIM. Bayamon, Puerto
Rico, 1991.
- FORTRAN Seminar.
San Juan, Puerto Rico, 1990.
- Fifth SIDIM. Arecibo, Puerto Rico, 1990.
- Distrital
Convention of Mathematics and Statistics. Bogotá, Colombia,
1988, 1987, 1986, 1985.
- Seminar of The
Dirac Function. Javeriana University.
Bogotá, Colombia, 1988.
- National Convention of
Mathematics. Bogotá, Colombia, 1987.
PROFESSIONAL
ASSOCIATIONS
- Member of The
American Mathematical Society.
- Member of the Association for
Symbolic Logic.
- Member of the Puertorican Association of Mathematics Professors.