Professor Paul-Hermann Zieschang

Professor Paul-Hermann Zieschang The University of Texas Rio Grande Valley School of Mathematical and Statistical Science (956) 665-7063 Email: paulhermann.zieschang@utrgv.edu EDUCATION Other, Habilitation, Christian-Albrechts-University of Kiel, 1991 Major: Mathematics PhD, Christian-Albrechts-University of Kiel, 1983 Major: Mathematics EMPLOYMENT Academic - Post-Secondary Professor, University of Texas Rio Grande Valley (September 2015) Professor, The University of Texas at Brownsville and Texas Southmost College (September 1, 2007 - August 31, 2015) Associate Professor, The University of Texas at Brownsville and Texas Southmost College (October 22, 2001 - August 31, 2007) Hochschuldozent, Christian-Albrechts-Universität Kiel (December 1, 1997 - February 28, 1999) Long-Term Research Fellow of the Japan Society for the Promotion of Science -, Kyushu University at Fukuoka (February 1, 1997 - November 30, 1997) Hochschuldozent, Christian-Albrechts-Universität Kiel (October 1, 1992 - January 31, 1997) Research Fellow of the Max-Kade Foundation, New York, Kansas State University (November 1, 1991 - September 30, 1992) Hochschuldozent, Christian-Albrechts-Universität Kiel (March 1, 1991 - October 31, 1991) Hochschulassistent, Christian-Albrechts-Universität Kiel (May 1, 1985 - February 28, 1991) Professional Consultant, Satisfactory Business Systems (March 1, 1999 - September 21, 2001) PUBLICATIONS Books Paul-Hermann Zieschang. Theory of Association Schemes. Springer Verlag, Berlin-Heidelberg-New York, 2005. (xii+283). Paul-Hermann Zieschang. An Algebraic Approach to Association Schemes. Springer Verlag, Generated on Nov 17, 2017 Page 1 of 14

Berlin-Heidelberg-New York, 1996. (xii+189). Conference Proceedings Paul-Hermann Zieschang. Tits' classification of the buildings of spherical type in the light of the theory of association schemes. North-Holland, Amsterdam: Proceedings of the 14th Algebraic Combinatorics Symposium (In honor to Professor Michio Suzuki's 70th birthday). (1997) Paul-Hermann Zieschang. Tits' Classification of the Buildings of Spherical Type in the Light of the Theory of Association Schemes. Proceedings of the 14th Algebraic Combinatorics Symposium (In honor to Professor Michio Suzuki's 70th birthday) ICU, Mitaka, Tokyo, Japan, 273-277 (1997). (1997) Paul-Hermann Zieschang. Block designs admitting flag transitive groups of automorphisms. North-Holland, Amsterdam: Annals of Discrete Mathematics. 37, (1988) Journal Articles Christopher French and Paul-Hermann Zieschang. Non-commutative association schemes of rank 6 with affine subschemes. Journal of Algebra. (November 2017) Christopher French and Paul-Hermann Zieschang. On imprimitive non-commutative association schemes of order 6. Communications in Algebra. 44, (2016): 1151-1199. Christopher French and Paul-Hermann Zieschang. A Schur-Zassenhaus Theorem for association schemes. Journal of Algebra. 435, (August 2015): 88-123. Akihide Hanaki and Paul-Hermann Zieschang. On imprimitive non-commutative association schemes of order 6. Communications in Algebra. 42, (2014): 1151-1199. Rie Tanaka and Paul-Hermann Zieschang. On a class of wreath products of hypergroups and association schemes. Journal of Algebraic Combinatorics. 37, (2013): 601-619. Paul-Hermann Zieschang. Association schemes in with the thin residue is a finite cyclic group. Journal of Algebra. 324, (2010): 3572-3578. Paul-Hermann Zieschang. On association schemes with thin thin residue. Journal of Algebra. 322, (2009): 54-67. Ilya Ponomarenko and Paul-Hermann Zieschang. Preface. European Journal of Combinatorics. 30, (2009): 1387 1391. Paul-Hermann Zieschang. Trends and lines of development in scheme theory. European Journal of Combinatorics. 30, (2009): 1540 1563. Mikhail Muzychuk and Paul-Hermann Zieschang. On association schemes all elements of which have valency 1 or 2. Discrete Mathematics. 308, (2008): 3097-3103. Mikhail Klin, Mikhail Muzychuk, Christian Pech, Andrew Woldar, and Paul-Hermann Zieschang. Association schemes on 28 points as mergings of a half-homogeneous coherent configuration. European Journal of Combinatorics. 28, (2007): 1994-2025. Paul-Hermann Zieschang. The exchange condition for association schemes. Israel Journal of Mathematics. 151, (2006): 357-380. Mikhail Klin, Akihiro Munemasa, Mikhail Muzychuk, and Paul-Hermann Zieschang. Directed strongly regular graphs obtained from coherent algebras. Linear Algebra and its Applications. 377, (2004): 83 109. Generated on Nov 17, 2017 Page 2 of 14

Other Harvey Blau and Paul-Hermann Zieschang. Sylow theory for table algebras, fusion rule algebras, and hypergroups. Journal of Algebra. 273, (2004): 551-570. Mitsugu Hirasaka and Paul-Hermann Zieschang. Sufficient conditions for a scheme to originate from a group. Journal of Combinatorial Theory A. 104, (2003): 17-27. Mitsugu Hirasaka, Mikhail Muzychuk, and Paul-Hermann Zieschang. A generalization of Sylow s theorems on finite groups to association schemes. Mathematische Zeitschrift. 241, (2002): 665-672. Mitsugu Hirasaka, Mikhail Muzychuk, and Paul-Hermann Zieschang. Sylow's theorems for association schemes. Surikaisekikenkyusho Kokyuroku. 1228, (2001): 22-27. Paul-Hermann Zieschang. Transversals for association schemes. Journal of the Mathematical Society of Japan. 52, (2000): 465-482. Matthias Rassy and Paul-Hermann Zieschang. Basic structure theory of association schemes. Mathematische Zeitschrift. 227, (1998): 391-402. Paul-Hermann Zieschang. On dihedral configurations and their Coxeter geometries. European Journal of Combinatorics. 18, (1997): 362-375. Paul-Hermann Zieschang. On maximal closed subsets in association schemes. Journal of Combinatorial Theory A. 80, (1997): 151-157. Paul-Hermann Zieschang. Point regular normal subgroups of flag transitive automorphism groups of 2-designs. Advances in Mathematics. 121, (1996): 102-123. Paul-Hermann Zieschang. Homogeneous coherent configurations as generalized groups and their relationship to buildings. Journal of Algebra. 178, (1995): 677-709. Paul-Hermann Zieschang. A theorem of O'Nan for finite linear spaces. Colloquium Mathematicum. LXV, (1993): 13-24. Paul-Hermann Zieschang. Theorems like Wielandt's. Archiv der Mathematik. 58, (1992): 209-213. Alan Camina and Paul-Hermann Zieschang. On the normal structure of flag transitive automorphism groups of 2-designs. Journal of the London Mathematical Society. 41, (1990) Paul-Hermann Zieschang. Cayley graphs of finite groups. Journal of Algebra. 118, (1988): 447-454. Paul-Hermann Zieschang. Flag transitive automorphism groups of 2-designs with (r,l)=1. Journal of Algebra. 118, (1988): 369-375. Paul-Hermann Zieschang. Fahnentransitive Automorphismengruppen von Blockplaenen. Geometriae Dedicata. 18, (1985): 173-180. Paul-Hermann Zieschang. Hypergroups. Bonn, Germany: Max-Planck Institut fuer Mathematik. 2010-97, (2010): iv+85. Paul-Hermann Zieschang. Association schemes. Designed experiments, algebra and combinatorics. Bulletin of the American Mathematical Society. 43, (2006): 249-253. Under Submission Journal Articles Christopher French and Paul-Hermann Zieschang. (2017). Non-commutative association schemes of Generated on Nov 17, 2017 Page 3 of 14

rank 6 with affine subschemes. Journal of Algebra. AWARDS AND HONORS Guest Professor at the Max Planck Institute for Mathematics, Bonn (Germany), Max Planck Institute for Mathematics, Bonn (Germany) (January 1, 2010) Exceptional Merit, University of Texas at Brownsville (March 15, 2009) Exceptional Merit, University of Texas at Brownsville (April 15, 2006) Extraordinary Professorship, Christian-Albrechts-Universität Kiel (November 26, 1996) Long Term Visiting Scholar, Japan Society for the Promotion of Science - (October 1, 1996) Long Term Visiting Scholar, Max Kade Foundation, New York (October 1, 1990) PRESENTATIONS Paul-Hermann Zieschang. "The Exchange Condition for Hypergroups." International Workshop on Group Theory and Algebraic Combinatorics (July 16-21, 2017) Sobolev Institute of Mathematics, Novosibirsk State University, Novosibirsk (Russia). (July 17, 2017) Paul-Hermann Zieschang. "Complements in Scheme Theory." International Workshop on Finite Groups, Table Algebras, and their Generalizations (May 21-24, 2017) Central China Normal University, Wuhan (China). (May 21, 2017) Paul-Hermann Zieschang. "Hypergroups." Southern Regional Algebra Conference (March 19-21, 2017) University of South Alabama, Mobile (Alabama). (March 18, 2017) Paul-Hermann Zieschang. "Association Schemes as Hypergroups." Colloquium of the Department of Mathematics, Texas State University, San Marcos (Texas). (November 11, 2016) Paul-Hermann Zieschang. "Tits' Buildings Then and Now." Pure Mathematics Seminar of the University of Texas Rio Grande Valley, Edinburg (Texas). (October 16, 2015) Paul-Hermann Zieschang. "Hypergroups of Small Cardinality." Central Fall Section Meeting of the AMS (October 3-4, 2015) Loyola University, Chicago (Illinois). (October 3, 2015) Paul-Hermann Zieschang. "Hypergroups, Association Schemes, Buildings." Colloquium of the Department of Mathematics, Johns Hopkins University, Baltimore (Maryland). (February 3, 2015) Paul-Hermann Zieschang. "Hypergroups, Association Schemes, Buildings." Modern Trends in Algebraic Graph Theory (June 2-5, 2015) Villanova University, Villanova (Pennsylvania). (June 3, 2014) Paul-Hermann Zieschang. "Characteristic and Curvature of Finite Association Schemes." Spring Southeastern Section Meeting of the AMS, Special Session on Algebraic Methods in Graph Theory and Combinatorics (March 21-23, 2014) University of Tennessee, Knoxville (Tennessee). (March 22, 2014) Paul-Hermann Zieschang. "Hypergroups of Small Cardinality." Spring Central Section Meeting of the AMS, Special Session on Algebraic and Geometric Combinatorics (April 26-28, 2013) Iowa State University, Ames (Iowa). (April 27, 2013) Paul-Hermann Zieschang. "Recent Results and Open Problems in Scheme Theory." 2012 Shanghai Conference on Algebraic Combinatorics (August 17-22, 2012) Jiao Tong University, Shanghai Generated on Nov 17, 2017 Page 4 of 14

(China). (August 18, 2012) Paul-Hermann Zieschang. "Buildings and Twinned Buildings in Scheme Theory." Recent Progress on Association Schemes (July 14-22, 2012) St. Petersburg Department of Steklov Institute of Mathematics of Russian Academy of Sciences, St. Petersburg (Russia). (July 15, 2012) Paul-Hermann Zieschang. "Theorems of Zariski and Hilbert via Localization." Algebra Seminar of the Department of Mathematics, University of South Alabama, Mobile (Alabama). (April 27, 2012) Paul-Hermann Zieschang. "Association Schemes and Buildings." Colloquium of the Department of Mathematics, University of South Alabama, Mobile (Alabama). (April 26, 2012) Paul-Hermann Zieschang. "Association Schemes of Prime Order." Workshop on Association Schemes (December 5-12, 2011) Hausdorff Institute, Bonn (Germany). (December 10, 2011) Paul-Hermann Zieschang. "Association Schemes of Prime Order." Department of Computer Science (December 5-12, 2011) Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn (Germany). (December 8, 2011) Paul-Hermann Zieschang. "The Residue of an Association Scheme." Fall Central Section Meeting of the AMS, Special Session on Algebraic Combinatorics and Related Topics (October 14-16, 2011) University of Nebraska, Lincoln (Nebraska). (October 15, 2011) Paul-Hermann Zieschang. "(Title not available)." Buildings and Groups (May 20-26, 2007) Ghent University, Ghent (Belgium). (August 3, 2011) Paul-Hermann Zieschang. "Association Schemes and Groups." Conference on Group Theory (August 1-5, 2011) Harlaxton College, Harlaxton (England). (August 3, 2011) Paul-Hermann Zieschang. "Generalized Groups and Buildings." Colloquium of the Max Planck Institute for Mathematics, Bonn (Germany). (April 29, 2010) Paul-Hermann Zieschang. "Association Schemes and Buildings." Jahresversammlung der deutschen Mathematiker Vereinigung (March 10-12, 2010), Munchen (Germany). (March 11, 2010) Paul-Hermann Zieschang. "Characteristic and Curvature of Schemes of Finite Valency." Algebraic Combinatorics and Related Groups and Algebras (November 17-20, 2009) Shinshu University, Matsumoto (Japan). (November 12, 2009) Paul-Hermann Zieschang. "Metrics on Association Schemes Which Lead to Twin Buildings." Metric Graph Theory (November 11-13, 2009) Japan Advanced Institute of Science and Technology, Kanazawa (Japan). (November 12, 2009) Paul-Hermann Zieschang. "Coxeter Sets." Seminar of the Department of Mathematics, Pusan National University, Busan (South Korea). (November 6, 2009) Paul-Hermann Zieschang. "Curvature." Seminar of the Department of Mathematics, Pusan National University, Busan (South Korea). (November 4, 2009) Paul-Hermann Zieschang. "Thin Thin Residue." Seminar of the Department of Mathematics, Pusan National University, Busan (South Korea). (November 2, 2009) Paul-Hermann Zieschang. "Schemata, in denen das dünne Residuum eine endliche zyklische Gruppe ist." Norddeutsches Gruppentheorie Kolloquium (October 9-10, 2009) Universität Kassel, Rostock (Germany). (October 10, 2009) Paul-Hermann Zieschang. "Groups, Buildings, and Association Schemes." St. Petersburg Department of Steklov Institute of Mathematics of Russian Academy of Sciences, St. Petersburg Generated on Nov 17, 2017 Page 5 of 14

(Russia). (August 27, 2009) Paul-Hermann Zieschang. "Representations of Association Schemes." Seminar of the Department of Mathematics, University of Iowa, Iowa City (Iowa). (July 29, 2009) Paul-Hermann Zieschang. "Geometric Theory of Association Schemes." Seminar of the Department of Mathematics, University of Iowa, Iowa City (Iowa). (July 6, 2009) Paul-Hermann Zieschang. "Local Theory of Association Schemes." Seminar of the Department of Mathematics, University of Iowa, Iowa City (Iowa). (June 22, 2009) Paul-Hermann Zieschang. "Algebraic and Geometric Coset Geometries in Scheme Theory." Algebraic Graph Theory Workshop (April 24-26, 2009) Worcester Polytechnic Institute, South Padre Island (Texas). (April 26, 2009) Paul-Hermann Zieschang. "Block Designs and Buildings in Scheme Theory." The Discrete Geometry Workshop (April 16-19, 2009), South Padre Island (Texas). (April 18, 2009) Paul-Hermann Zieschang. "On Tits' Main Theorem on Buildings of Spherical Type." First South Texas Algebra Colloquium (January 24, 2009) University of Texas Pan American, Edinburg (Texas). (January 24, 2009) Paul-Hermann Zieschang. "Association Schemes and Twin Buildings." Geometric and Algebraic Combinatorics 4 (August 17-22, 2008), Oisterwijk (The Netherlands). (August 22, 2008) Paul-Hermann Zieschang. "Zwillingsgebäude und Schemata." Norddeutsches Gruppentheorie Kolloquium (July 18-19, 2008) Christian-Albrechts-Universität Kiel, Kiel (Germany). (July 19, 2008) Paul-Hermann Zieschang. "A Sufficient Condition for Association Schemes to be Schurian." Conference on Algebraic Aspects of Association Schemes and Scheme Rings (July 8-11, 2008) University of Regina, Regina (Canada). (July 10, 2008) Paul-Hermann Zieschang. "Association Schemes and Twin Buildings." Workshop on Combinatorial Geometry and Topology (April 11-13, 2008), South Padre Island (Texas). (April 12, 2008) Paul-Hermann Zieschang. "Ergebnisse und Fragen aus der abstrakten Schematheorie." Colloquium des Algebra Seminars der Carl-Friedrich-Gauß-Fakultät, Technische Universität Braunschweig, Braunschweig (Germany). (December 18, 2007) Paul-Hermann Zieschang. "On Schemes Which Contain a Constrained Set of Involutions." Central Fall Section Meeting of the AMS, Special Session on Algebraic Combinatorics: Association Schemes and Related Topics (October 5-7, 2007) DePaul University, Chicago (Illinois). (October 5, 2007) Paul-Hermann Zieschang. "On Schemes Which Contain a Constrained Set of Involutions." Shuffles, Descents, and Representations (September 10-15, 2007) Laboratoire J.A. Dieudonné UMR CNRS 7351, Université de Nice - Sophia Antipolis, Nice (France). (September 13, 2007) Paul-Hermann Zieschang. "On Schemes Which Contain a Constrained Set of Involutions." Sixth Slovenian International Conference on Graph Theory BLED'07 (June 24 - July 1, 2007), Bled (Slovenia). (June 26, 2007) Paul-Hermann Zieschang. "Finite Association Schemes of Dihedral Type." Algebraic Graph Theory and Mathematical Chemistry (April 27 - April 29, 2007), South Padre Island (Texas). (April 28, 2007) Paul-Hermann Zieschang. "An Algebraic Approach to Twin Buildings." Colloquium in the Algebra Generated on Nov 17, 2017 Page 6 of 14

Seminar of the Department of Mathematics, Iowa State University, Ames (Iowa). (April 17, 2007) Paul-Hermann Zieschang. "An Algebraic Approach to Twin Buildings." Zassenhaus Group Theory Conference (March 16-17, 2007) Department of Mathematics, Saint Louis University, St. Louis (Missouri). (March 17, 2007) Paul-Hermann Zieschang. "The Exchange Condition for Association Schemes." Colloquium in the Algebra Seminar of the Department of Mathematics, Eastern Kentucky University, Richmont (Kentucky). (January 6, 2007) Paul-Hermann Zieschang. "Association Schemes all Elements of Which Have Valency 1 or 2." Colloquium in the Algebra Seminar of the Department of Mathematics, Northern Illinois University, DeKalb (Illinois). (October 13, 2006) Paul-Hermann Zieschang. "On Association Schemes of Odd Order." Central Fall Section Meeting of the AMS, Special Session on Algebraic Combinatorics and Related Topics (October 21-23, 2005) University of Nebraska, Lincoln (Nebraska). (October 22, 2005) Paul-Hermann Zieschang. "A Representation Theoretic Characterization of Moore Geometries." Algebraic Combinatorics and Applications (ALCOMA05) Designs and Codes (April 3-10, 2005), Thurnau (Germany). (April 8, 2005) Paul-Hermann Zieschang. "(Title not available)." Eastern Regional Algebra Conference, Special Session on Designs, Codes, and Geometries (April 2-3, 2005) University of Delaware, Newark (Delaware). (April 3, 2005) Paul-Hermann Zieschang. "Recognition Theorems for Association Schemes." Conference on Association Schemes, Codes and Designs (July 19-23, 2004), Busan (Korea). (July 21, 2004) Paul-Hermann Zieschang. "(Title not available)." First Satellite Workshop of the 2004 Conference on Association Schemes, Codes and Designs (July 16-18, 2004), Busan (Korea). (July 17, 2004) Paul-Hermann Zieschang. "Sylow's Theorem for Association Schemes." Colloquium in the Algebra Seminar of the Department of Mathematics, University of Delaware, Newark (Delaware). (April 9, 2004) Paul-Hermann Zieschang. "A Survey on the Structure Theory of Finite Association Schemes." Fall Southeastern Section Meeting of the AMS, Special Session on Association Schemes (October 24-25, 2003) University of North Carolina, Chapel Hill (North Carolina). (October 25, 2003) Paul-Hermann Zieschang. "Sylow's Theorem for Association Schemes." Fall Eastern Section Meeting of the AMS, Special Session on Character Theory of Finite Groups and Algebraic Combinatorics (October 11-12, 2003) Binghampton University, Binghampton (New York). (October 12, 2003) Paul-Hermann Zieschang. "Sylow's Theorem for Table Algebras." Colloquium in the Algebra and Combinatorics Seminar of the Department of Mathematics, Texas A&M University, College Station (Texas). (September 19, 2003) Paul-Hermann Zieschang. "Exchange Condition and Association Schemes." Colloquium in the Groups and Dynamics Seminar of the Department of Mathematics, Texas A&M University, College Station (Texas). (September 17, 2003) Paul-Hermann Zieschang. "Sylow's Theory for Association Schemes." Colloquium in the Combinatorics Institute, Michigan Technological University, Houghton (Michigan). (November 7, 2002) Generated on Nov 17, 2017 Page 7 of 14

Paul-Hermann Zieschang. "Groups and Association Schemes." Colloquium in the Department of Mathematics, Michigan Technological University, Houghton (Michigan). (November 6, 2002) Paul-Hermann Zieschang. "Theory of Association Schemes." International Congress of Mathematics (August 20-28, 2002), Bejing (China). (August 24, 2002) Paul-Hermann Zieschang. "When Do Schemes Arise From Groups?." Satellite Conference on Algebra of the International Congress of Mathematics (August 29 - September 3, 2002), Suzhou (China). (August 24, 2002) Paul-Hermann Zieschang. "On the Relationship Between Groups and Schemes." Geometric and Algebraic Combinatorics 2 (August 11-16, 2002), Oisterwijk (The Netherlands). (August 14, 2002) Paul-Hermann Zieschang. "Ein Sylowsatz fuer Schemata." Norddeutsches Gruppentheorie Kolloquium (June 22-23, 2002) Universität Kassel, Kassel (Germany). (June 22, 2002) Paul-Hermann Zieschang. "Local and Global Scheme Theory." Colloquium in the Combinatorics Seminar of the Department of Mathematics, University of Wisconsin, Madison (Wisconsin). (April 23, 2001) Paul-Hermann Zieschang. "Extension Theorems for Association Schemes of Coxeter Type (Coxeter Schemes)." Algebraic Combinatorics, Monster and Vertex Operator Algebras (July 24-28, 2000) University of California, Santa Cruz (California). (July 26, 2000) TEACHING Courses Taught Abstract Algebra Advanced Topic: Algebra II Advanced Topics in Algebra Algebra I Algebraic Geometry Calculus I Calculus II Calculus for Business & Soc Sc College Algebra Discrete Mathematics Foundations of Analysis Foundations of Mathematics Group Theory Hist of Mathematics History of Mathematics Linear Algebra Generated on Nov 17, 2017 Page 8 of 14

Math Project Math for Art & Music Modern Algebra I Modern Geometry I Number Theory Research Experience in Mathematics Research Seminar Special Topic in Mathematics Special Topics in Mathematics Thesis Thesis I Thesis II Topology Non-Credit Instruction Seminar, Second South Texas Algebra Colloquium, Department of Mathematics (UTB and UTPA), 30. (November 7, 2009 - November 24, 2009) Seminar, First South Texas Algebra Colloquium, Department of Mathematics (UTB and UTPA), 30. (January 24, 2009) Directed Student Learning Master's Comprehensive Exam Committee Member. Carlos Flores, "Project", School of Mathematical and Statistical Science. (August 1, 2017) Undergraduate Capstone/Senior Project. Edna Flores, "How to Tune a Keyboard" (January 1, 2017 - May 6, 2017) Master's Thesis Committee Chair. Ryanto Putra, "Problem Book on Higher Algebra and Number Theory", School of Mathematical and Statistical Science. (May 1, 2017) Master's Thesis Committee Member. Mayra Huerta, "A new Approach to Ramanujan's Partition Congruences", School of Mathematical and Statistical Science. (May 1, 2017) Undergraduate Capstone/Senior Project. Carlos De Santiago, "Gauss' Quadratic Reciprocity Law" (September 1, 2016 - December 6, 2016) Undergraduate Capstone/Senior Project. Marco Reyna, "Fermat's Theorem for Exponent 3" (September 1, 2016 - December 6, 2016) Undergraduate Capstone/Senior Project. Samara Roura, "Prime and Ireducible Elemants in the Ring of the Eisenstein Integers" (September 1, 2016 - December 6, 2016) Dissertation Committee Member. Andrew Wang, "Constrained and Coxeter Table Algebras", Other (outside UTRGV). (December 1, 2016) Generated on Nov 17, 2017 Page 9 of 14

Undergraduate Capstone/Senior Project. Trazon Jones, "Fibonacci Numbers" (January 1, 2016 - May 6, 2016) Master's Thesis Committee Chair. Jordy Lopez, "On Hypergroups of Order at Most 6", School of Mathematical and Statistical Science. (May 1, 2016) Master's Thesis Committee Chair. Jose R. Vera, "The Bourbaki-Jacobson Correspondence", School of Mathematical and Statistical Science. (December 1, 2015) Master's Thesis Committee Chair. Eduardo Cruz, "Project: Title not available", Mathematics (UTB). (June 18, 2015) Master's Thesis Committee Chair. Jose Michi, "Project: The Birth of Group Theory", Mathematics (UTB). (June 18, 2015) Master's Thesis Committee Chair. Nora Sanchez, "Project: How to Tune a Keyboard", Mathematics (UTB). (June 18, 2015) Master's Thesis Committee Chair. Tiberio Ramirez, "Project: Title not available", Mathematics (UTB). (June 18, 2015) Master's Thesis Committee Chair. Alejandro Amador, "Project: Origins and Study of Mathematics From a Pedagogical Perspective", Mathematics (UTB). (June 17, 2015) Master's Thesis Committee Chair. Jennifer Rosales, "Project: Determining Prime Elements in the Ring of the Gaussian Integers and Eisenstein Integers", Mathematics (UTB). (June 17, 2015) Master's Thesis Committee Chair. Jerry Pineda, "Project: Mathematicians related to the Mendelssohn Family", Mathematics (UTB). (June 17, 2015) Master's Thesis Committee Chair. Alberto Garza, "Project: A Survey on the Development of Ring and Field Theory", Mathematics (UTB). (June 16, 2015) Master's Thesis Committee Chair. Elvira Buenavista-Vera, "Project: Title not available", Mathematics (UTB). (June 16, 2015) Master's Thesis Committee Chair. Ruben Colorado, "Project: An Overview to Association Schemes and Their Relation to Coding Theory", Mathematics (UTB). (June 16, 2015) Master's Thesis Committee Chair. Claudia Cantu, "Project: Statistics on the Fields Medal", Mathematics (UTB). (June 15, 2015) Master's Thesis Committee Chair. Gregorio Lopez, "Project: Title not available", Mathematics (UTB). (June 15, 2015) Master's Thesis Committee Chair. Roberto De La Garza, "Project: Perfect Numbers", Mathematics (UTB). (June 15, 2015) Master's Thesis Committee Chair. Karla Lopez, "Project: Title not available", Mathematics (UTB). (May 1, 2015) Master's Thesis Committee Chair. Jose J. Vera, "On Closed Subsets of Non-Commutative Association Schemes of Rank 6", School of Mathematical and Statistical Science. (December 1, 2013) Master's Thesis Committee Member. David Boon, "The Connective Constant of Three-Dimensional Lattice Graphs", Mathematics (UTB). (May 1, 2013) Dissertation Committee Member. Manuel Arora, "Extensibility of Association Schemes and Generated on Nov 17, 2017 Page 10 of 14

GRH-Based Deterministic Polynomial Factoring", Other (outside UTRGV). (April 1, 2013) Master's Thesis Committee Chair. Liliana Zamfir, "Complete Discrete Valuation Rings", School of Mathematical and Statistical Science. (May 1, 2012) Master's Thesis Committee Member. Aleksandra Chelnokova,, Mathematics (UTB). (May 1, 2012) Master's Thesis Committee Member. Roberto Herrera,, Mathematics (UTB). (May 1, 2012) Master's Thesis Committee Chair. Evert Hernandez, "Primitive Elements of Certain Finite Galois Extensions Over the Field of Rational Numbers", Mathematics (UTB). (November 1, 2011) Master's Thesis Committee Chair. Abraham Jimenez, "Basic Structure Theory of Hypergroups", Mathematics (UTB). (May 1, 2011) Master's Thesis Committee Member. Apolinar Zapata, "Internet Search and Graph Theory", Mathematics (UTB). (May 1, 2010) Master's Thesis Committee Chair. Joseph Sugar, "On a Theorem of Krull and Akizuki", Mathematics (UTB). (May 1, 2009) Master's Thesis Committee Chair. Jose Ponce, "On Association Schemes the Thin Residue of Which is a Cyclic Group of Order 30", Mathematics (UTB). (December 1, 2008) Master's Comprehensive Exam Chair. Erick Trofimoff, "Project", School of Mathematical and Statistical Science. (May 1, 2008) Master's Thesis Committee Chair. Edgar de la Cruz, "On Association Schemes of Finite Valency With Large Thin Radical", Mathematics (UTB). (May 1, 2008) Master's Thesis Committee Chair. Shaghayegh Azadi Setayesh, "On Schemes With Large Thin Radical", Mathematics (UTB). (May 1, 2008) Master's Thesis Committee Chair. Rene Lerma, "On a Theorem of Fermat", Mathematics (UTB). (December 1, 2006) Master's Thesis Committee Member. Luis Sanchez, "Internet Search and Graph Theory", Mathematics (UTB). (May 1, 2006) Master's Thesis Committee Chair. Pedro Paz, "On Schemes the Order of Which is a Prime Number", Mathematics (UTB). (December 1, 2005) SERVICE Department Service Committee Member, Graduate Curriculum Committee. (March 2016) Committee Member, PhD Planning Committee. (March 2016) Committee Member, Tenure and Promotion Committee. (September 2015) Committee Member, Search Committee for the Director of the School of Mathematical and Statistical Sciences. (September 1, 2016 - May 1, 2017) Committee Chair, Committee for the Creation of the Guidelines for Tenure and Promotion. (September 1, 2015 - May 1, 2017) Committee Member, Graduate Curriculum Committee. (September 1, 2014 - August 31, 2015) Generated on Nov 17, 2017 Page 11 of 14

Committee Member, Graduate Curriculum Committee. (September 1, 2013 - August 31, 2014) Committee Chair, Graduate Curriculum Committee. (September 1, 2012 - August 31, 2013) Committee Chair, Graduate Curriculum Committee. (September 1, 2010 - August 31, 2011) Committee Member, Graduate Curriculum Committee. (September 1, 2008 - August 31, 2009) Committee Member, Graduate Curriculum Committee. (September 1, 2007 - August 31, 2008) Committee Member, Graduate Curriculum Committee. (September 1, 2006 - August 31, 2007) Committee Member, Departmental Search Committee. (September 1, 2005 - August 31, 2006) Committee Member, Graduate Curriculum Committee. (September 1, 2005 - August 31, 2006) Committee Member, Undergraduate Curriculum Committee. (September 1, 2005 - August 31, 2006) Committee Member, Graduate Curriculum Committee. (September 1, 2004 - August 31, 2005) Committee Member, Undergraduate Curriculum Committee. (September 1, 2004 - August 31, 2005) Committee Member, Graduate Curriculum Committee. (September 1, 2003 - August 31, 2004) Committee Member, Undergraduate Curriculum Committee. (September 1, 2003 - August 31, 2004) Committee Member, Departmental Advising Committee. (September 1, 2002 - August 31, 2003) Committee Member, Departmental Search Committee. (September 1, 2002 - August 31, 2003) Committee Chair, Departmental Workload Committee. (September 1, 2002 - August 31, 2003) Committee Member, Graduate Curriculum Committee. (September 1, 2002 - August 31, 2003) Committee Member, Undergraduate Curriculum Committee. (September 1, 2002 - August 31, 2003) Committee Member, Graduate Curriculum Committee. (October 25, 2001 - August 31, 2002) College Service Committee Member, Tenure and Promotion Committee. (September 1, 2015 - August 31, 2016) Committee Member, College Endowed Professor Search Committee. (February 29, 2016 - July 12, 2016) Committee Member, Graduate Curriculum Committee. (September 1, 2005 - August 31, 2006) Committee Member, Graduate Curriculum Committee. (September 1, 2004 - August 31, 2005) Committee Member, Graduate Curriculum Committee. (September 1, 2003 - August 31, 2004) Committee Member, Graduate Curriculum Committee. (September 1, 2002 - August 31, 2003) University Service Committee Member, Graduate Council (University Graduate Committee). (September 1, 2007 - August 31, 2008) Committee Member, Graduate Council (University Graduate Committee). (September 1, 2006 - August 31, 2007) Committee Member, Academic Senate. (September 1, 2005 - August 31, 2006) Generated on Nov 17, 2017 Page 12 of 14

Committee Member, Graduate Council (University Graduate Committee). (September 1, 2005 - August 31, 2006) Committee Member, Academic Senate. (September 1, 2004 - August 31, 2005) Committee Member, Graduate Council (University Graduate Committee). (September 1, 2004 - August 31, 2005) Committee Member, Graduate Council (University Graduate Committee). (September 1, 2003 - August 31, 2004) Committee Member, Graduate Council (University Graduate Committee). (September 1, 2002 - August 31, 2003) Development Activities Attended Workshop, "Challenge Based Instruction," (April 4, 2014 - April 5, 2014) Workshop, "Challenge Based Instruction," (May 15, 2012 - May 16, 2012) Professional Service Editor, Journal Editor, Algebra Letters (September 2012) Reviewer, Journal Article, I have reviewed 87 mathematical journal articles for the American Mathematical Society. (September 1996) Judge. (September 1, 2016 - August 31, 2017) Editor, Journal Editor, ISRN Algebra (September 1, 2012 - September 30, 2014) Reviewer, Textbook, For the Reviews of the American Mathematical Society, I have reviewed the book: Buekenhout, Francis; Cohen, Arjeh M. Diagram Geometry. Related to Classical Groups and Buildings. Ergebnisse der Mathematik und ihrer Grenzgebiete. 3. Folge. A Series of Modern Surveys in Mathematics [Results in Mathematics and Related Areas. 3rd Series. A Series of Modern Surveys in Mathematics], 57. Springer, Heidelberg, 2013. xiv+592 pp. ISBN: 978-3-642-34452-7; 978-3-642-34453-4. (August 31, 2013 - September 30, 2013) Reviewer, Textbook, For the Bulletin of the American Mathematical Society, I have reviewed the book: Bailey, R. A.(4-LNDQM) Association schemes. Designed experiments, algebra and combinatorics. Cambridge Studies in Advanced Mathematics, 84. Cambridge University Press, Cambridge, 2004. xviii+387 pp. ISBN: 0-521-82446-X. (August 1, 2004 - September 30, 2004) Reviewer, Textbook, For the Reviews of the American Mathematical Society, I have reviewed the book: Bailey, R. A.(4-LNDQM) Association schemes. Designed experiments, algebra and combinatorics. Cambridge Studies in Advanced Mathematics, 84. Cambridge University Press, Cambridge, 2004. xviii+387 pp. ISBN: 0-521-82446-X. (May 31, 2004 - July 31, 2004) Professional Memberships American Mathematical Society (AMS) Deutsche Mathematiker Vereinigung (DMV) Public Service Generated on Nov 17, 2017 Page 13 of 14

Other, Flute Music Students Recital, Edinburg, (August 16, 2017) Other, Messiah with HISD, Edinburg, (December 10, 2016) Other, Master Choral (MUEN 1141/3141), Brownsville, (April 13, 2016) Judge, Rio Grande Valley Regional Science and Engineering Fair, Brownsville, (February 13, 2016) Other, Texas Music Educators Association, San Antonio, (February 11, 2014 - February 14, 2014) Other, Hanna High School Varsity Men's Choir, Brownsville, (February 6, 2014) Guest Speaker, San Benito High School, San Benito, (March 11, 2012 - March 12, 2012) Guest Speaker, San Benito High School, San Benito, (February 14, 2008 - February 15, 2008) Generated on Nov 17, 2017 Page 14 of 14