CURRICULUM VITAE

Name: David J. Grynkiewicz Department:Mathematical Sciences


EDUCATION
DEGREES DISCIPLINE INSTITUTION YEAR
Habilitation (Privatdozent) Mathematics Karl Franzens University of Graz 2008
Ph.D. Mathematics Caltech 2005/2006
B.A. Mathematics Bates College 2001

EXPERIENCE
RANK/POSITION DEPARTMENT/DIVISION INSTITUTION/COMPANY/ORGANIZATION PERIOD
Associate Chair Mathematical Sciences University of Memphis Fall 2022 - Present
Associate Professor Department of Mathematical Sciences University of Memphis Fall 2016 - Present
Tenure Track Assistant Professor Department of Mathematical Sciences University of Memphis September 2013 - Fall 2016
Visiting Professor and Researcher Institute of Mathematics and Scientific Computing Karl-Franzens University of Graz October 2009 - August 2013
Lise Meitner Scientist Institute of Mathematics and Scientific Computing Karl-Franzens University of Graz October 2007 - September 2009
NSF Math and Physical Sciences Distinguished International Postdoctoral Research Fellow Departament de Matematica Aplicada 4 Universitat Politecnica de Catalunya, Barcelona November 2005 - September 2007
Assitant Director for the Research Experiences for Undergraduates (REU) program Mathematics Univerisity of Idaho Summer 2001 and 2003

HONORS/AWARDS
HONOR/AWARD INSTITUTION/COMPANY/ORGANIZATION YEAR
Paul Erdos Professorship Department of Mathematics, University of Memphis 2016 - 2019

TEACHING EXPERIENCE
SUBJECT INSTITUTION
MATH 7411 Point Set Topology University of Memphis
MATH 7262 Algebraic Theory II University of Memphis
MATH 7236/8236 Probabilistic Combinatorics University of Memphis
MATH 3242 Introduction to Linear Algebra University of Memphis
MATH 4411/6411 - Topology University of Memphis
MATH 7261 - Algebraic Theory I University of Memphis
Special Topics: Combinatorial Number Theory University of Memphis
MATH 7262 - Algebraic Theory II University of Memphis
MATH 1720 - Trigonometry University of Memphis
MATH 7261 - Algebraic Theory I University of Memphis
MATH 1720 - Trigonometry University of Memphis
Math 3402 - Honors Math IV (Lin. Alg. + Diff. Eq.) University of Memphis
Math 4084/6084 - Introduction to Graph Theory University of Memphis
Math 1730 - Precalculus University of Memphis
Math 8045 - Algebraic Topology University of Memphis
Math 7261 - Algebraic Theory II University of Memphis
Math 1720 - Trigonometry University of Memphis
Math 7261 - Algebraic Theory I University of Memphis
Math 3242 - Elementary Linear Algebra University of Memphis
Math 3242 - Elementary Linear Algebra University of Memphis
Special Topics Course - Algebraic Number Theory University of Memphis
MATH 1720 - Trigonometry University of Memphis
MATH 3221- Elementary Number Theory University of Memphis
MATH 4084/6084- Introduction to Graph Theory University of Memphis
MATH 7235/8235 - Combinatorics Univeristy of Memphis
MATH 2110 - Calculus III University of Memphis
MATH 7237/8237 - Graph Theory University of Memphis
MATH 1420 - Foundations of Mathematics University of Memphis
MATH 4242/6262 - Linear Algebra University of Memphis
MATH 1720 - Trigonometry University of Memphis
MATH 4261/6261 - Abstract Algebra University of Memphis
MATH 1720 - Trigonometry University of Memphsi
MATH 7262 - Algebraic Theory II University of Memphis
MATH 4084/6084 - Introduction to Graph Theory University of Memphis
MATH 7261 - Algebraic Theory I Univeristy of Memphis
MATH 1420 - Foundations of Mathematics University of Memphis
MATH 7262 - Algebraic Theory II University of Memphis
MATH 1420 - Foundations of Mathematics University of Memphis
MATH 7261 - Algebraic Theory I University of Memphis
MATH 2110 - Calculus III University of Memphis
MATH 7262 - Algebraic Theory II University of Memphis
MATH 1720 - Trigonometry University of Memphis
MATH 4411/6411 - Topology University of Memphis
Additive Combinatorics University of Graz
Additive Number Theory University of Graz
Algebraic Number Theory University of Graz
Commutative Algebra University of Graz
Combinatorial Number Theory University of Graz
Additive Number Theory University of Graz


STUDENT ADVISING/MENTORING
CURRENT DEGREE NAME YEAR OF GRADUATION
Ph.D Runze Wange In Progress
Ph.D John Ebert 2024 (anticipated)
Masters Thomas Fleming 2022
Postdoc Chao Liu 2020 - 2022
Ph.D (Univerisity of Graz) Exchange Student in 2018 Junseok Oh 2019
Ph.D Christapher Worley Disscontinued Studies (personal reasons)

Books Published

With Alfred Geroldinger and Qinghai Zhong.
Combinatorial Factorization Theory: Factorization Theory in Krull Monoids via Additive Combinatorics. In progress (700+ pp.)

The Characterization of Finite Elasticities: Factorization Theory in Krull Monoid via Convex Geometry,
Lecture Notes in Mathematics 2316, Springer, 2022

Structural Additive Theory, Developments in Mathematics 30, Springer 2013

Book Reviews

MathSciNet Review MR3243507
B. Landman and A. Robertson, Ramsey theory on the integers.Second edition. Student Mathematical Library, 73. American Mathematical Society, Providence, RI, 2014. xx+384 pp.
ISBN 978-0-8218-9867-3

Refereed Journal Publications

with J. Ebert. Structure of a Sequence with Prescribed Zero-Sum Subsequences: Rank Two $p$-Groups.

European J. Combin. 118 (2024), Paper No. 103888, 13 pp.

A Generalization of the Chevalley-Warning and Ax-Katz Theorems with a View Towards Combinatorial Number Theory.

Combinatorica 43 (2023), no. 6, 1179–1213.

with Chao Liu. A Multiplicative Property for Zero-Sums II.
Electronic J. Combinatorics 29 (2022), no. 3, Paper No. 3.12, 16 pp. 

with Chao Liu.  A multiplicative property for zero-sums I.
Discrete Math. 345 (2022), no. 10, Paper No. 112974, 21 pp

with A. Geroldinger, Jun Seok Oh, and Qinghai Zhong. On Product-One Sequences over Dihedral Groups.
J. Algebra App.  21 (2022), no. 4, Paper No. 2250064, 58 pp.

with P. Candela and Gonzalez-Sanchez. On sets with small sumset and m-sum free sets in Z/pZ,
Bull. Soc. Math. France 149 (2021), no. 1, 155–177.

Representing Sequence Subsums as Sumsets of Near Equal Sized Sets.
in Combinatorial and Additive Number Theory IV, ed. M. Nathanson, Springer (2021), Ch. 11.

A Single Set Improvement to the 3k-4 Theorem.
J. Number Theory 214 (2020), 360--381.

with U. Vishne. The index of small length sequences,
International J. Algebra and Computation 30 (2020), no. 5, 977--1014.

Iterated Sumsets and Setpartitions,
Ramanujan J. 52 (2020), no. 3, 499--518.

with Chunlin Wang and Kevin Zhao. The Structure of a Sequence with Prescribed Zero-Sum Subsequences.
Integers 20 (2020) A3.

with S. Adhikari, R. Balasubramanian, and S. Eliahou, A Conjecture of Fox-Kleitman and Additive Combinatorics,
Proc. Indian Acad. Sci. Math. Sci. 129 (2019), no. 4, Art. 43.

with S. Adhikari, R. Balasubramanian, and S. Eliahou. On the degree of regularity of a particular linear equation,
Acta Arith. 184 (2018), no. 2, 187-191.

Iterated Sumsets and Subsequence Sums,
J. Combin. Theory, Ser. A, 160 (2018), 136–167.

Planar Subsets with Small Doubling.
Quart. J. Math., 68 (2017), no. 1, 161-192.

with V. Lev. Symmetric Kneser's Theorem with Trios and 3-Transform.
J. Combinatorics and Number Theory, 7 (2015), no. 3, 419–435.

with A. Geroldinger and Pingzhi Yuan. On Products of k Atoms II.
Mosc. J. Comb. Number Theory, 5 (2015), no. 3, 3-59.

with A. Chapman, E. Matrzi, L Rowen, and U. Vishne. Classification of Monomial p-
Central Spaces in Central Simple Algebras of Degree p,
Journal of Pure and Applied Algebra, 220 (2016), no. 10, 3363-3371.

with Weidong Gao and Xingwu Xia. On n-Sums in an Abelian Group.
Combinatorics, Probability and Computing, 25 (2016), no. 3, 419-435.

with F. Hennecart. A Weighted zero-sum problem with quadratic residues,
Uniform Distribution Theory, 10 (2015), no. 1, 69-105.

with D. Bernstein and C. Yerger. On three sets with nondecreasing diameter.
Discrete Math., 338 (2015), no. 8, 1328-1344.

with N. R. Baeth, A. Geroldinger, and D. Smertnig. A semigroup-theoretical view of
direct-sum decompositions and associated combinatorial problems.
Journal of Algebra and its Applications, 14 (2015), no.2, 1550016, 60 pp.

The large Davenport constant II: General Upper Bounds.
J. Pure and Applied Algebra,  217 (2013), no. 12, 2221–2246.

with P. Baginski, A. Geroldinger and A. Philipp. Products of two atoms in Krull monoids
and arithmetical characterizations of class groups.
European J. Combin., 34 (2013), no. 8, 1244–1268.

with A. Geroldinger. The large Davenport constant I: groups with a cyclic, index 2
subgroup.
J. Pure and Applied Algebra, 217 (2013), no. 5, 863-885.

with A. Philipp and V. Ponomarenko. Arithmetic progression weighted subsequence
sums.
Israel J. Math., 193 (2013), no. 1, 359-398.

with S. D. Adhikari and Z. H. Sun. On weighted zero-sum sequences.
Advances in Applied Math., 48 (2012), no. 3, 506-527.

with G. A. Freiman, O. Serra and Y. Stanchescu. Inverse additive problems for Minkowski
sumsets II.
J. Geometric Analysis, 23 (2013), no. 1, 395-414.

with G. A. Freiman, O. Serra and Y. Stanchescu. Inverse additive problems for Minkowski
sumsets I.
Collectanea Mathematica, 63 (2012), no. 3, 261-286.

Note on a conjecture of Graham.
European J. Combin., 32 (2011), no. 8, 1336-1344.

with E. Marchan and O. Ordaz. A weighted generalization of two theorems of Gao.
Ramanujan J., 28 (2012), no. 3, 323-340.

with A. Geroldinger and W. A. Schmid. The catenary degree of Krull monoids I.
J. Theor. Nombres Bordeaux, 23 (2011), no. 1, 137-169.

with A. Geroldinger and W. A. Schmid. Zero-sum problems with congruence conditions.
Acta Math. Hungar., 131 (2011), no. 4, 323-345.

with A. Geroldinger and G. J. Schaefer and W. A. Schmid. On the arithmetic of Krull
monoids with infinite cyclic class group.
Journal of Pure and Applied Algebra, 214 (2010), no. 12, 2219-2250.

with I. Bardaji. Long arithmetic progressions in sets with small sumset.
Integers, 10 (2010), 335-350, (electronic) A28.

with V. Lev. 1-saturating sets, caps, and doubling-critical sets in binary spaces.
SIAM J. Discrete Math., 24 (2010), no. 1, 169-190.

with A. Geroldinger. On the structure of minimal zero-sum sequences with maximal
cross number.
Journal of Combinatorics and Number Theory 1 (2009), no. 2, 109-126.

with A. Geroldinger. On the arithmetic of Krull monoids with finite Davenport constant.
J. Algebra, 321 (2009), 1256-1284.

On extending Pollard's Theorem for t-representable sums.
Israel J. Math., 177 (2010), no. 1, 413-439,

with W. D. Gao and A. Geroldinger. Inverse zero-sum problems III.
Acta Arithmetica, 141 (2010), 103-152.

 with E. Marchan, and O. Ordaz. Representation of finite abelian group elements by
subsequence sums.
J. Theor. Nombres Bordeaux 21 (2009), no. 3, 559-587.

with O. Serra. Properties of two dimensional sets with small sumset.
J. Combin. Theory, Ser. A, (2010), no. 2, 164-188.

with J. Zhuang. Weighted sequences in finite cyclic groups.
Applied Mathematics E-Notes, 9 (2009), 40-46.

with V. Lev, and O. Serra. Connectivity of addition Cayley graphs.
J. Combin. Theory, Ser. B, 99 (2009), 202-217.

with O. Ordaz, M. T. Varela, and F. Villarroel. On Erdos-Ginzburg-Ziv inverse theorems.
Acta Arith., 129 (2007), no. 4, 307-318.

A step beyond the Kemperman Structure Theorem.
Mathematika 55 (2009), 67-114.

On the number of m-term zero-sum subsequences.
Acta Arith., 121 (2006), no. 3, 275-298.

On a conjecture of Hamidoune for subsequence sums.
Integers, 5 (2005), no. 2, A7, 11 pp.

A weighted Erdos-Ginzburg-Ziv Theorem.
Combinatorica, 26 (2006), no. 4, 445-453.

Quasi-periodic decompositions and the Kemperman Structure Theorem.
European J. Combin., 26 (2005), no. 5, 559-575.

An extension of the Erdos-Ginzburg-Ziv Theorem to hypergraphs.
European J. Combin., 26 (2005), no. 8, 1154-1176.

with A. Bialostocki. On the intersection of two m-sets and the Erdos-Ginzburg-Ziv
Theorem.
Ars Combin. 83 (2007), 335-339.

with A. Schultz. A five color zero-sum generalization.
Graphs and Combinatorics, 22 (2006), no. 3, 351-360.

with R. Sabar. Monochromatic and zero-sum sets of nondecreasing modified diameter.
Electron. J. Combin., 13 (2006), no. 1, Research Paper 28, 19 pp.

with A. Bialostocki, P. Dierker and M. Lotspeich. On some developments of the Erdos-
Ginzburg-Ziv Theorem II.
Acta Arith., 110 (2003), no. 2, 173-184.

On four colored sets with nondecreasing diameter and the Erdos-Ginzburg-Ziv Theorem.
J. Combin. Theory Ser. A, 100 (2002), no. 1, 44-60.

On a partition analog of the Cauchy-Davenport Theorem.
Acta Math. Hungar., 107 (2005), no. 1-2, 161-174.

On four color monochromatic sets with nondecreasing diameter.
Discrete Math., 290 (2005), no. 2-3, 165-171.

On some Rado numbers for generalized arithmetic progressions.
Discrete Math., 280 (2004), no. 1-3, 39-50.

Presentations - Conference (refereed *)

An Extension of the Ax-Katz Theorem Modulo Differing Prime Powers, 2022
Combinatorics Seminar, U. Mississippi

Polynomial Methods in Combinatorial Number Theory, 2022
Colloquium, U. Linz

CANT(Combinatorial and Addtive Number Theory) (Virtual), May 2021.
Characterizing infinite subsets of lattice points having finite-like behavior (30 min. talk)

Balu Fest, March 2021
Plenary Talk (60 min.): The 3k-4 Theorem Modulo a Prime for Large Density Sumsets

Joint Meetings of the AMS and MAA, Virtual, Jan. 2021.
Special Session: Finite Elasticities in Krull Domains with Finitely Generated Class Group

Workshop on Additive Combinatorics, International Center for Theoretical Sciences (ICTS-TIFR), Bangalore, Feb. 2020 - Mar 2020.
Plenary Talk Series (5 Lectures): Set Addition

Zero-Sum Ramsey Theory: Graphs, Sequences and More (19w5132), CMO Banff International Research Station, Oaxaca, Nov. 2019.
Plenary Talk: Sequence Subsums in Zero-Sum Theory

Joint International Meeting of the CMS and AMS, Shanghai, June 2018
Special Session Organizer: Additive Combinatorics and its Interplay with Factorization Theory

Conference on Rings and Factorizations, Graz, Feb. 2018
Plenary Talk: Finiteness of the  Elasticities  $rho_k(G_0)$ Inside a Lattice

Combinatorial and Additive Number Theory, Graz, Jan. 2016
Plenary Talk: The Freiman 3k-4 Theorem

Additive Combinatorics in Marseille, Marseille, Sep. 2015.
Short Plenary Talk: Symmetric Kneser's Theorem with Trios and 3-Transform

Joint Meeting of the AMS and MAA, 2015
(AMS) Special Session: On Sets of Lengths in Krull Monoids.

The Index of Zero-Sum Free Sequences and Kummer Subspaces.
University of Graz, Austria, 2014.

Joint Meeting of the Israel Mathematical Union and the AMS, 2014
Special Session in Additive Number Theory: The Index of Minimal Zero-Sum Sequences
and Kummer Subspaces.

Joint Meetings of the AMS and MAA, 2013
(AMS) Special Session: The large Davenport constant for Non-abelian groups

Joint Meetings of the AMS and MAA, 2013
(AMS) Special Session: The large Davenport constant for Non-abelian groups

Additive Combinatorics in Paris, July 2012
Short Plenary Talk: Sidon sets and the isoperimetric method

Wilsonfest, Caltech, March 2012
Plenary Speaker: Freiman homomorphisms

DocCourse in Additive Combinatorics, CRM, Barcelona, Feb. 2008.
Problem Session Course (jointly taught with W. Schmid): Additive group theory and the
theory of non-unique factorization

Presentations - Universities/Industry (refereed *)

Inverse Question for the Davenport Constant in Rank Two Groups (2 parts), 2023.
Guest Lecturer for Doctoral Student Course, University of Graz.

Subsequence Sums: Optimal Bounds in the Partition Theorem and the Gao-Olson Generalization of the EGZ Theorem.
Nankai University, Center for Combinatorics, 2018

On the Degree of Regularity of (x_1-y_1)+...+(x_1-y_k)=c
University of Graz, 2017

A Zero-Sum Conjecture of Hamidoune
U. Mississippi, 2016

The  rho_k Invariants for Finite Abelian Groups
University of Graz, Austria, 2015

Some Topics in Additive Theory
Heriot-Watt University, Edinburgh, 2013

Additive Theory
University College Dublin, 2013

On a Weighted Generalization of Two Theorems of Gao VI, 2010.
Harisch Chandra Research Institute, India.

On a Weighted Generalization of Two Theorems of Gao V, 2010.
Harisch Chandra Research Institute, India.

On a Weighted Generalization of Two Theorems of Gao IV, 2010.
Harisch Chandra Research Institute, India.

On a Weighted Generalization of Two Theorems of Gao III, 2010.
Harisch Chandra Research Institute, India.

On a Weighted Generalization of Two Theorems of Gao II, 2010.
Harisch Chandra Research Institute, India.

On a Weighted Generalization of Two Theorems of Gao I, 2010.
Harisch Chandra Research Institute, India.

Sumset bounds for two-dimensional sets.
U. Deleware, 2008.

Extremal examples for the Davenport constant in rank two groups.
Technical University of Catalunya (UPC), Barcelona, 2008.

On the multiplicity of zero-sum subsequences.
U. Paris VI, 2006.

Other Presentations (refereed *)

Conference on Rings and Factorizations 2023, University of Graz, Austria, 2023.
Parallel Session: Zero-Sums in $p$-groups via a Generalization of the Ax-Katz Theorem.

A Chevalley Warning Theorem Modulo Differing Prime Powers (2 parts), 2022
Combinarics Seminar, U. Memphis

CANT 2019, CUNY, New York, May 2019.
Main Session: An Inverse Zero-Sum Problem for Elementary Abelian p-groups of rank two.

6th Annual Mississippi Discrete Math Workshop, U. Mississippi, 2018.
Parallel Session: Improving Olson's Generalization of the Erdos-Ginzburg-Ziv Theorem

Integers Conference, Augusta GA, 2018
Parallel Session: Exact Bounds in the Gao-Olson Complete Sequence Theorem

Discrete Mathematics Days, Sevilla, 2018
Parallel Session: Iterated Sumsets and Olson's Generalization of the Erdos-Ginzburg-Ziv Theorem

The Freiman 3k-4 Theorem
University of Memphis, 2016

Zero-Sums and Polynomial
University of Memphis, 2016

Sumsets and t-Popular Sums
University of Memphis

Journees Arithmetiques, Debrecen, July 2015.
Parallel Session: Pairwise Balanced Designs and Weighted Davenport Constants.

Sumsets and Homomorphisms
University of Memphis, 2013

Integers Conference, U. West Georgia, October 2011
Parallel Session: Freiman homomorphisms

Journees Arithmetiques, Vilnius, June 2011
Parallel Session: On Freiman's 3k - 4 Theorem in groups of prime order

OMG + DMV Kongress, Graz 2009
Parallel Session: On Pollard's Theorem for general abelian groups

Journees Arithmetiques, St. Etienne, July 2009.
Parallel Session: The catenary degree of Krull monoids.

Eurocomb 2007, Sevilla, Sep. 2007.
Parallel Session: The connectivity of addition Cayley graphs.

Joint Meeting of the AMS and MAA, New Orleans, Jan. 2007.
Parallel Session: Extending the Freiman 3k - 3 Theorem to distinct sets.

2nd Meeting of the Czech and Catalan Mathematical Societies, Barcelona, Sep. 2006.
Parallel Session: On two zero-sum conjectures of Gao, Thangadurai and Zhuan.

Rencontres Arithmetique et Combinatoire, St. Etienne, France, 2006.
Parallel Session: The structure of subsets of an arbitrary abelian group with a small
sumset |A + B| = |A| + |B|.

AMS Sectional Meeting, Santa Barbara, 2006.
Parallel Session: A weighted version of the Erdos-Ginzburg-Ziv Theorem.

CANT 2005, New York.
Parallel Session: The Erdos-Ginzburg-Ziv Theorem in hypergraphs.

Integers Conference, U. West Georgia, Oct./Nov. 2003.
Contributed Paper: On a conjecture of Hamidoune for subsequence sums

Joint Meeting of the AMS and MAA, New Orleans, Jan. 2001.
Parallel Session: On a conjecture of Bialostocki, Erdos, and Lefmann.

MAA Fall Northeastern Section Meeting, Providence, Rhode Island, 2000.
Student Session: On a conjecture of Bialostocki, Erdos, and Lefmann.       


SUPPORT

(External)

ACTIVITY AGENCY/SOURCE AMOUNT PERIOD
Additive Group Theory and Non-Unique Factorizations (M1014–N13) Austrian Science Fund (FWF) $464,594 2007 - 2009
New and Classical Ideas in Zero-Sum and Additive Theory: International and Collaborative Postdoctoral Research (DMS-0502193)National Science Foundation (NSF) $149,482 2005 - 2007

OUTREACH

Project/s summary

PROJECT PARTICIPANTS PERIOD SPONSORSHIP
New Student Orientation: Math Dept. Representative Incoming First years August 2021  
Presentation on Utility of a Math Degree Advanced High School Students 2019  
Organizer for Discover Math Day Incoming first years 2016 - 2019  
Math Representative at MEMbound day High School Students and their Parents 2018  

SERVICE
UNIVERSITY COMMITTEE/ACTIVITY PERIOD
University of Memphis Algebra Qualifying Exam Winter 2024
University of Memphis Search Committee: Chair Dept. Math. 2024
University of Memphis Search Committee: Administrative Assistant II 2024
University of Memphis Search Committee: Assistant Professor of Teaching 2023-2024
University of Memphis Search Committee (Chair): Tenure Track Assistant Professor Combinatorics and Graph Theory 2023-2024
University of Memphis Search Committee: Tenure Track Assistant Professor Data Science 2023-2024
University of Memphis Prize Committe for Undegraduate Math Scholarships 2023
University of Memphis Algebra Qualifying Exam Summer 2023
University of Memphis Associate Chair: Department of Mathematical Sciences 2022 - Present
University of Memphis Algebra Qualifying Exam Winter 2023
University of Memphis Search Committee for Tenure Track Position in Data Science/Statistics/Graph Theory 2022-2023
University of Memphis Search Committee for Postdoctoral Researcher in Ergodic Theory 2022-2023
University of Memphis Search Committee for Postdoctoral Researcher in PDE 2022-2023
University of Memphis Search Committee (chair) for Ralph Faudree Assistant Pofessor 2022
University of Memphis Algebra Qualifying Exam Summer 2022
University of Memphis Prize Committee awarding the Dr. Ralph Faudree Award 2022
University of Memphis Comprehensive Exam Committee for Conner Griffin 2022
University of Memphis Prize Committe for Undegraduate Math Scholarships 2022
University of Memphis Search Committee for Dept. Office Coordinator 2022
University of Memphis Search Search Committee for Tenure Track Position in Combinatorics 2021-2022
University of Memphis Search Committee (Chair) for Ralph Faudree Assistant Professor 2021-2022
University of Memphis Algebra Ph.D Qualifying Exam January 2022
University of Memphis Algebra Ph.D Qualifying Exam Summer 2021
University of Memphis Algebra Qual Training Course for Pamela Guerrero Fall 2020
University of Memphis Algebra Ph.D Qualifying Exam Aug. 2020
University of Memphis Reviewer for Math Scholarship Applicants 2020-2022
University of Memphis Sponsored one RISE Fellowship (Harry Boucher) 2019
University of Memphis Hosted two Prospective Graduate Students on Campus Spring 2020
University of Memphis Sub for Mate Wierdl at Faculty Senate Meeting April 2019
University of Memphis Algebra Ph.D Qualifying Exam Jan. 2020
University of Memphis Ph.D Committee for David Lewis Mar. 2020
University of Memphis Ph.D Committee for Rebekah Herman Mar. 2020
University of Memphis Ph.D Graduate Committe (Curriculum, advising, exams, recruitment) 2018-Present
University of Memphis Recruitment and Outreach Committee 2017 - Present
University of Memphis Faculty Advisor for the Cantor Sect (Student Math Club) Fall 2015 - 2021
University of Memphis Faculty Advisor for the Putnam Exam 2014 - present
Univeristy of Memphis Web and Newsletter Committee 2014 - Present
University of Memphis Undergraduate Committee 2013 - Present
University of Memphis Algebra Ph.D. Qualifying Exam Summer 2014 - Jan. 2016
University of Memphis Search Commitee for the Ralph Faudree Assistant Professorship 2018/19
University of Memphis Ph.D Commitee Member for Kamil Popielarz 2018
University of Memphis Ph.D. Committe for Julian Sahasrabudhe 2017
University of Memphis Ph.D. Committee for Scott Binski 2017
University of Memphis Serach Committee for Ralph Faudree Assistant Professorship 2016
University of Memphis Prize Committee for Ralph Faudree Award for Doctoral Students 2016

OTHER
SOCIETY/ORGANIZATION/JOURNAL COMMITTEE/EDITORIAL BOARD/OFFICE PERIOD
NSERC Canadian Natural Sciences and Engineering Research Council Grant Proposal Reviewer 2022-2023
NSERC Canadian Natural Sciences and Engineering Research Council Grant Proposal Reviewer 2018-2019
NKFIH Hungarian National Research, Development and Innovation Office Grant Proposal Reviewer 2018
NKFIH Hungarian National Research, Development and Innovation Office Grant Proposal Reviewer 2016
Proceeding of the AMS Referee  
Advances in Mathematics Referee  
London Mathematical Society Referee  
Combinatorica Referee  
Israel J. Math Referee  
Forum of Mathematics Referee  
Discrete Analysis Referee  
Fundamenta Mathematicae Referee  
American Mathematical Monthly Referee  
Journal Combin. Theory Referee  
Acta Arithmetica Referee  
Combinatorics, Probability and Computing Referee  
Discrete Mathematics Referee  
Integers Referee  
Graphs and Combinatorics Referee  
Electronic J. Combin. Referee  
Ars Combin. Referee  
J. Korean Math. Soc Referee  
Applied Mathematics E-Notes Referee  
Revista Matematica Iberoamericana Referee  
Uniform Distriution Theory Referee  
AMS MathSciNet (Mathematical Reviews) Reviewer  
Periodica Mathematica Hungarica Referee  

Appendix A

Academic Year (please indicate year) Course # Course Name Credit Hours Percent Taught Enroll Labratory Supervised(S)/Instructed(I) New Preparation (Y) /(N)
Spring 2019 MATH 8812 Algebraic Number Theory 3 100 5   Yes
Spring 2019 MATH 1720 Trigonometry 3 100 61   No
Summer 2019 MATH 3242 Elementary Linear Algebra 3 100 9   Yes
Fall 2019 MATH 7261 Algebraic Theory I 3 100 5   No
Fall 2019 MATH 3242 Elementary Linear Algebra 3 100 32   No
Spring 2020 MATH 7262 Algebraic Theory II 3 100 4   No
Spring 2020 MATH 1720 Trigonometry 3 100 36   No
Fall 2020 MATH 1730 Precalculus 4 100 52   Yes
Fall 2020 MATH 8045 Algebraic Topology 3 100 7   Yes
Spring 2021 MATH 8084 Introduction to Graph Theory 3 100 10   Yes
Spring 2021 MATH 3402 Honors Mathematics IV 4 100 10   Yes
Fall 2021 MATH 1720 Trigonometry 3 100 17   No
Fall 2021 MATH 7261 Algebraic Theory I 3 100 13   No
Spring 2022 MATH 1720 Trigonometry 3 100 28   No
Spring 2022 MATH 7262 Algebraic Theory II 3 100 9   No
Fall 2022 MATH 7261 Algebraic Theory I 3 100 5   No
Fall 2022 MATH 8035 Special Topics: Combinatorial Number Theory 3 100 8   Yes
Spring 2023 MATH 4411/6411 Topology 3 100 5   No
Fall 2023 MATH 7236/8236 Probabilistic Combinatorics 3 100 4   Yes
Fall 2023 MATH 3242 Introduction to Linear Algebra 3 100 48   No
Spring 2024 7262 Algebraic Theory II 3 100     No
Spring 2024 7411 Point Set Topology 3 100     Yes

Appendix B

Chao Liu (Postdoc). Became Instructor at U. Mississippi.
 
Junseok Oh (Visiting Exchange Ph.D Student)
Now at Jeju National University, South Korea
 

Appendix D

Grant Title: Low Dimension Combinatorial Number Theory
Principal Investigator: David J. Grynkiewicz
Grant Program: Combinatorics PD 18-7970
Funding Source: NSF (National Science Fund) Division of Mathematical Sciences
Submitted: Sep. 2021
Length: 3 Years
Proposed Award Amount: $193,468
Outcome: Declined after 11 months of review
 
Grant Title: REU Site: Data Science, Percolation, and Number Theory in Memphis
Principal Investigators: Jim Campbell and Dale Bowman
Grant Program: REU Research Experiences for Undergraduates
Funding Source: NSF (National Science Fund)
Role: Offered to advice undergraduates during one summer of the program if funded, wrote a small portion of the grant related to my role, and provided some feedback and suggestions.
Outcome: Declined
 
Grant Title: Zero-Sums and Sumsets
Proposal Number: DMS-7992846
Principal Investigator: David J. Grynkiewicz
Grant Program: Combinatorics PD 18-7970
Funding Source: NSF (National Science Fund) Division of Mathematical Sciences
Submitted: Sep. 2019
Length: 3 Years
Proposed Award Amount: $250,688
Outcome: Declined
 
Grant Title: Additive Investigations in Combinatorial Number Theory
Proposal Number: DMS-055688857
Principal Investigator: David J. Grynkiewicz
Grant Program: Combinatorics
Funding Source: NSF (National Science Fund) Division of Mathematical Sciences
Submitted: Oct. 2018
Length: 3 Years
Proposed Award Amount: $383,538
Outcome: Declined
 
Grant Title: Additive Number Theory: Sumsets, Subsums and Factorization
Proposal Number: DMS--1701491
Principal Investigator: David J. Grynkiewicz
Grant Program: Algebra, Number Theory and Combinatorics
Funding Source: NSF (National Science Fund) Division of Mathematical Sciences
Submitted: Oct. 2016
Length: 3 Years
Proposed Award Amount: $369,901
Outcome: Declined
 
Grant Title: Additive Number Theory: Algebra and Combinatorics
Proposal Number: DMS--1502352
Principal Investigator: David J. Grynkiewicz
Grant Program:Algebra, Number Theory and Combinatorics
Funding Source: NSF (National Science Foundation) Division of Mathematical Sciences
Submitted: Oct. 2014
Length: 3 Years
Proposed Award Amount: $367,382
Outcome: Reviewed independently by two three member committee panels.  The six panel members gave ratings of (a) Very Good/Excellent, (b) Very Good/Good, (c) Fair, (d) Fair, (e) Very Good, (f) Very Good/Excellent. Was recommended for ``Fund if possible'' with a ranking of 3rd out of 14   by the first panel. Was declined by the second panel. Proposal was declined.
 
Grant Title: Algebra and Additive Combinatorics
Proposal Number: DMS--1405186
Principal Investigator: David J. Grynkiewicz
Grant Program: Combinatorics
Funding Source: NSF (National Science Foundation) Division of Mathematical Sciences
Submitted: Nov. 2014
Length: 3 Years
Proposed Award Amount: $176,930
Outcome: Reviewed by a three member  committee panel. The three panel members gave ratings of (a) Good, (b) Very Good/Good, (c) Good. Proposal was declined.
 

Appendix E

Asked to complete the manuscript ``Hyper-atoms applied to the critical pair Theory,'' which was submitted and under revision when its author, Yahya Hamidoune, passed away unexpectedly:
Combinatorica 39 (2019), 1281--1315.

 
Hand double for the CBS television series Numb3rs.