PhD, Mathematics (2017)
University of Pittsburgh, Pittsburgh, PA
Advisor: Piotr Hajlasz, Ph.D
Dissertation: Analysis and Geometry in Metric Spaces: Sobolev Mappings, the Heisenberg Group, and the Whitney Extension Theorem
MS, Mathematics (2010)
John Carroll University, University Heights, OH
Advisor: Patrick B. Chen, Ph.D
Thesis: A Characterization of Banach Spaces via the Complemented Subspace Problem
BS, Mathematics (2008)
John Carroll University, University Heights, OH
Associate Professor (2025 – Present)
Department of Mathematics, The Ohio State University at Marion, Marion, OH
Department of Mathematics, The Ohio State University, Columbus, OH
Assistant Professor (2020 – 2025)
Department of Mathematics, The Ohio State University at Marion, Marion, OH
Department of Mathematics, The Ohio State University, Columbus, OH
Assistant Research Professor (2017 – 2020)
Department of Mathematics, University of Connecticut, Storrs, CT
Visiting Instructor (2010 – 2011)
Department of Mathematics and Computer Science, John Carroll University, University Heights, OH
Assistant/Associate Professor, Department of Mathematics, The Ohio State University at Marion, Marion, OH
MATH 1075 Precollege Math II
MATH 1149 Trigonometry
MATH 1125 Mathematics for Elementary Teachers I
MATH 1126 Mathematics for Elementary Teachers II
MATH 1135 Number and Operations for Teachers
MATH 1136 Measurement and Geometry for Teachers
MATH 1151 Calculus I
MATH 2138 Calculus and its History for Teachers
MATH 3345 Foundations of Higher Mathematics
Assistant Research Professor, Department of Mathematics, University of Connecticut, Storrs, CT
MATH 2360 Geometry
MATH 2410 Elementary Differential Equations
MATH 2420 Honors Differential Equations
MATH 3150 Analysis I
Dean’s Teaching Excellence Award - 2018, 2019, 2020
TA Mentor, Department of Mathematics, University of Pittsburgh, Pittsburgh, PA
Visited recitations and graded TA performance
Teaching Assistant, Department of Mathematics, University of Pittsburgh, Pittsburgh, PA
MATH 0120 Business Calculus Lecture and recitation
MATH 0220 Calculus and Analytic Geometry I
MATH 0230 Calculus and Analytic Geometry II
MATH 0240 Calculus and Analytic Geometry III
MATH 0290 Differential Equations
Mathematics Department Teaching Assistant Excellence - 2015
Visiting Instructor, Department of Mathematics and Computer Science, John Carroll University, University Heights, OH
MATH 120 Elementary Statistics I
MATH 167 Mathematics of Change and Chance
Grader and Tutor, Department of Mathematics and Computer Science, John Carroll University, University Heights, OH
All undergraduate courses
Speight, G.; Zimmerman, S., "Directional Pliability, Whitney Extension, and Lusin Approximation for Curves in Carnot Groups," Ann. Fenn. Math. (2025), to appear.
Zimmerman, S., "On the equivalence of derivatives for maps between Carnot groups," Commun. Pure Appl. Anal. 24 (2025), no. 10, 1962–1972.
Pinamonti, A.; Speight, G.; Zimmerman, S., "Higher order Whitney extension and Lusin approximation for horizontal curves in the Heisenberg group," J. Math. Pures Appl. 188 (2024), 320–344.
Honeycutt, J.; Vellis, V.; Zimmerman, S., "Bi-Lipschitz arcs in metric spaces with controlled geometry," Rev. Mat. Iberoam. 40 (2024), no. 5, 1887–1916.
Badger, M.; Li, S.; Zimmerman, S., "Identifying 1-rectifiable measures in Carnot groups," Anal. Geom. Metr. Spaces 11 (2023), no. 1, Paper No. 20230102, 40 pp.
Speight, G.; Zimmerman, S., "A $C^{m,\omega}$ Whitney extension theorem for horizontal curves in the Heisenberg group," J. Geom. Anal. 33 (2023), no. 6, Paper No. 182, 24 pp.
Zimmerman, S., "Whitney's extension theorem and the finiteness principle for curves in the Heisenberg group," Rev. Mat. Iberoam. 39 (2023), no. 2, 539–562.
Zimmerman, S., "Singular integrals on $C^{1,\alpha}_{w^*}$ regular curves in Banach duals," Ann. Funct. Anal. 13 (2022), no. 2, Paper No. 32, 24 pp.
Chousionis, V.; Li, S.; Zimmerman, S., "Singular integrals on $C^{1,\alpha}$ regular curves in Carnot groups," J. Anal. Math. 146 (2022), no. 1, 299–326.
Chousionis, V.; Li, S.; Vellis, V.; Zimmerman, S., "Bi-Lipschitz embeddings of Heisenberg submanifolds into Euclidean spaces," Ann. Acad. Sci. Fenn. Math. 45 (2020), no. 2, 931–955.
Hajłasz, P.; Zimmerman, S., "An implicit function theorem for Lipschitz mappings into metric space," Indiana Univ. Math. J. 69 (2020), no. 1, 205–228.
Pinamonti, A.; Speight, G.; Zimmerman, S., "A $C^m$ Whitney extension theorem for horizontal curves in the Heisenberg group," Trans. Amer. Math. Soc. 371 (2019), no. 12, 8971–8992.
Zimmerman, S., "Sobolev extensions of Lipschitz mappings into metric spaces," Int. Math. Res. Not. IMRN (2019), no. 8, 2241–2265.
Chousionis, V.; Li, S.; Zimmerman, S., "The traveling salesman theorem in Carnot groups," Calc. Var. Partial Differential Equations 58 (2019), no. 1, Paper No. 14, 35 pp.
Hajłasz, P.; Malekzadeh, S.; Zimmerman, S., "Weak BLD mappings and Hausdorff measure," Nonlinear Anal. 177 (2018), 524–531.
Zimmerman, S., "The Whitney extension theorem for $C^1$, horizontal curves in the Heisenberg group," J. Geom. Anal. 28 (2018), no. 1, 61–83.
Hajłasz, P.; Zimmerman, S., "The Heisenberg groups," in Function Spaces – Embeddings and Extrapolation X, Lecture Notes Paseky Spring Schools in Analysis (2017), J. Lukeš and L. Pick, Eds., MatfyzPress, 93–155.
Hajłasz, P.; Zimmerman, S., "The Dubovitskiĭ–Sard theorem in Sobolev spaces," Indiana Univ. Math. J. 66 (2017), no. 2, 705–723.
Hajłasz, P.; Zimmerman, S., "Geodesics in the Heisenberg group," Anal. Geom. Metr. Spaces 3 (2015), no. 1, 325–337.
Orban, Chris M.; Zimmerman, Scott; Kulp, Jessica T.; Boughton, Jennifer; Perrico, Zachary; Rapp, Brianna; Teeling-Smith, Richelle. "Methods to Simplify Object Tracking in Video Data." Phys. Teach. 1 (2023); 61 (7): 576–579.
P. Hajłasz, S. Zimmerman. "Sobolev extensions of maps into metric spaces."
G. Speight, S. Zimmerman. "A Strong Failure of the Lusin Property for Horizontal Curves in Free Carnot Groups."
Bi-Lipschitz segments in metric spaces
Invited talk at Advances and Connections of Modern Geometric Function Theory Conference, Oct 25, 2025
University of Michigan, Ann Arbor, MI
Sobolev extensions of maps into metric spaces
Invited talk at Special Session on Quantitative Topology and Analysis, Oct 5, 2025,
AMS sectional meeting, New Orleans, LA
Sobolev extensions of maps into metric spaces
Invited talk at Special Session on Harmonic Analysis, Theory of Function Spaces and Their Applications, Oct 20, 2024
AMS sectional meeting, Albany, NY
Uniform convergence of Pansu difference quotients for $C^1$, horizontal maps between Carnot groups
Invited talk at Special Session on Nonsmooth Analysis and Geometry, Oct 19, 2024
AMS sectional meeting, Albany, NY
Singular integrals on regular, smooth curves in Carnot groups and Banach duals
Short talk at Great Plains Operator Theory Symposium, May 2023
The Ohio State University, Columbus, OH
Differentiation of Lipschitz mappings into metric spaces
Invited talk at Special Session on Interactions between Analysis, PDE, and Probability in Non-smooth Spaces, Apr 2023
AMS sectional meeting, Cincinnati, OH
Differentiation of Lipschitz mappings into metric spaces
Invited talk at Special Session on Analysis and Differential Equations at Undergraduate Institutions, Jan 2023
Joint Mathematics Meetings, Boston, MA
Differentiation of Lipschitz mappings into metric spaces
Invited talk at Special Session on Nonsmooth Analysis and Geometry, Oct 2022
AMS sectional meeting, Amherst, MA
Whitney's Extension Theorem for curves in the Heisenberg group
Invited talk at the 51st John H. Barrett Memorial Lectures, June 2022
University of Tennessee, Knoxville, TN
Whitney's Extension Theorem for curves in the Heisenberg group
Invited talk at Ohio River Analysis Meeting, Apr 2022
University of Kentucky, Lexington, KY
Identifying 1-rectifiable measures in Carnot groups
Invited talk at Special Session on Geometry of Measures and Metric Spaces, Mar 2022
AMS sectional meeting, Virtual, IN
Whitney's Extension Theorem for curves in the Heisenberg group
Invited talk at Special Session on Analysis and Probability in Sub-Riemannian Geometry, Mar 2022
AMS sectional meeting, Virtual, IN
What is the Heisenberg group?
Invited talk at Special Session on Analysis and Differential Equations at Undergraduate Institutions, Oct 2021
AMS sectional meeting, Virtual, Omaha, NE
Whitney’s Extension Theorem for curves in the Heisenberg group
Invited talk at 14th Whitney Problems Workshop, Jul 2021
Virtual, Princeton, RI
Singular integrals on regular, smooth curves in Carnot groups and Banach duals
Invited talk at AMS Special Session on Nonsmooth Analysis and Geometry, Apr 2021
AMS sectional meeting, Virtual, Cincinnati, OH
Singular integrals on regular, smooth curves in Carnot groups and Banach duals
Invited talk at Ohio River Analysis Meeting, Mar 2021
Virtual, Lexington, KY
Singular integrals on regular, smooth curves in Carnot groups and Banach duals
Invited talk at Special Session on Metric techniques in Analysis, Mar 2021
AMS sectional meeting, Virtual, Providence, RI
Whitney extensions for curves in the Heisenberg group
Invited talk at AMS Special Session on Analysis and Differential Equations at Undergraduate Institutions, Jan 2021
Joint Mathematics Meetings, Virtual, Washington, DC
The Heisenberg group
Short talk at Mathematics Continued: A conference for undergraduate students, Oct 2020
Virtual, University of Connecticut, Storrs, CT
Whitney Extension Theorems in the Heisenberg group
Invited talk at Northeast Analysis Network, Sep 2019
University of Connecticut, Storrs, CT
Bi-Lipschitz embeddings of Heisenberg submanifolds into Euclidean space
Invited talk at Special Session on Analysis and Probability on Metric Spaces and Fractals, Sep 2019
AMS sectional meeting, Madison, WI
The Whitney Extension Theorem in the Heisenberg group
Invited talk at Dynamics, measures and dimensions, April 2019
Bedlewo, Poland
Bi-Lipschitz embeddings of Heisenberg submanifolds into Euclidean space
Invited talk at Ohio River Analysis Meeting, Mar 2019
University of Cincinnati, Cincinnati, OH
The Traveling Salesman Theorem in Carnot groups
Invited talk at Special Session on Modern Quasiconformal Analysis and Geometric Function Theory, Sep 2018
AMS sectional meeting, Newark, DE
Applications of a change of variables for Lipschitz mappings into metric spaces
Invited talk at Special Session on Analysis and Geometry in Non-smooth Spaces, April 2018
AMS sectional meeting, Boston, MA
Applications of a change of variables for Lipschitz mappings into metric spaces
Short talk at Subriemannian Geometry and Beyond, Feb 2018
University of Jyväskylä, Jyväskylä, Finland
Geometry and analysis in the Heisenberg group
Talk at Nonsmooth Analysis: a Workshop for Postdocs, Nov 2017
University of Connecticut, Storrs, CT
Sobolev extensions of Lipschitz mappings into metric spaces
Invited talk at Analysis on Metric Spaces, Mar 2017
University of Pittsburgh, Pittsburgh, PA
Sobolev extensions of Lipschitz mappings into metric spaces
Invited talk at ORAM 2017, Mar 2017
University of Cincinnati, Cincinnati, OH
Sobolev extensions of Lipschitz mappings into metric spaces
Short talk at Harmonic Analysis, Complex Analysis, Spectral Theory and all that, Aug 2016
Bedlewo, Poland
The Whitney Extension Theorem for C^1, horizontal curves in H^n
Invited talk at AMS Special Session on Analysis and Geometry in Nonsmooth Metric Measure Spaces, Jan 2016
Joint Mathematics Meetings, Seattle, WA
Whitney’s Extension Theorem for curves in the Heisenberg Group H^n
Short talk at Workshop on Analysis and Geometry in Metric Spaces, June 2015
ICMAT, Madrid, Spain
Geodesics in the Heisenberg Group H^n
Seminar at Research Term on Analysis and Geometry in Metric Spaces, May 2015
ICMAT, Madrid, Spain
Dubovitskiı-Sard Theorem for Sobolev Mappings
Poster at Advances in Nonlinear Analysis International Workshop, Mar 2014
University of Pittsburgh, Pittsburgh, PA
A Characterization of Banach Spaces via the Complemented Subspace Problem
Poster at MathFest, Aug 2010
Pittsburgh, PA
The Decimal Expansion of 1/2007
Presentation at Mathematics and Statistics Conference, 2007, Miami University, Oxford, OH
and Pi Mu Epsilon Regional Conference, 2007, Youngstown, OH
and Spring Ohio Section Meeting of the MAA, 2007, Portsmouth, OH
Bi-Lipschitz arcs in metric spaces
Analysis and Operator Theory Seminar at The Ohio State University, Nov 20. 2025
Columbus, OH
Sobolev extensions of maps into metric spaces
Analysis seminar at the University of Tennessee, Knoxville, Mar 27. 2025
Knoxville, TN
Bi-Lipschitz arcs in metric spaces
Colloquium at the University of Cincinnati, Oct 10. 2024
Cincinnati, OH
Bi-Lipschitz curves in metric spaces
Geometry MMA: Metrics, Measures, and Algorithms Seminar at George Mason University, March 2024
Fairfax, VA
Whitney’s Extension Theorem for curves in the Heisenberg group
Analysis and Operator Theory Seminar at The Ohio State University, Feb 2023
Columbus, OH
The Heisenberg Group
Colloquium at Augustana University, Nov 2021
Sioux Falls, SD
Whitney’s Extension Theorem for curves in the Heisenberg group
Analysis and Operator Theory Seminar at OSU, Oct 2021
Columbus, OH
Analysis and geometry in Carnot groups
Invitations to Mathematics at OSU, Sep 2020
Columbus, OH
Analysis on curves in Carnot groups
Invited talk at The Ohio State University - Job talk, Feb 2020
Columbus, OH
The Heisenberg group
Invited talk at Rose-Hulman Institute of Technology, Jan 2020
Terre Haute, IN
Analysis on curves in Carnot groups
Invited talk at DePaul University, Jan 2020
Chicago, IL
Whitney Extension Theorems in the Heisenberg group
Colloquium talk at Ball State University, Oct 2019
Muncie, IN
The Whitney Extension Theorem
Data Blitz Competition at University of Connecticut, Sep 2019
Storrs, CT
The Traveling Salesman Theorem in Carnot groups
Invited talk at the University of Cincinnati - Analysis and PDE seminar, Oct 2018
Cincinnati, OH
The Traveling Salesman Theorem in Carnot groups
Analysis and Probability Seminar at University of Connecticut, Sep 2018
Storrs, CT
Solving the Game of Nim
Math Club Seminar at University of Connecticut, Feb 2018
Storrs, CT
Extension problems in the Heisenberg group
Invited talk at WPI - Analysis/PDE seminar, Dec 2017
Worcester, MA
An introduction to analysis and geometry in the Heisenberg groups
Invited talk at Wesleyan University - Dynamics and Analysis seminar, Nov 2017
Middletown, CT
An introduction to the Heisenberg group
SIGMA Seminar at University of Connecticut, Nov 2017
Storrs, CT
Sobolev extensions of Lipschitz mappings into metric spaces
Analysis Learning Seminar at University of Connecticut, Sep 2017
Storrs, CT
Whitney’s Extension Theorem for curves in the Heisenberg Group
Analysis Learning Seminar at University of Connecticut, Sep 2017
Storrs, CT
Geodesics in the Heisenberg Group H^n
Analysis Learning Seminar at University of Connecticut, Aug 2017
Storrs, CT
Surface immersions in the Heisenberg group
Geometric Analysis Seminar at University of Pittsburgh, May 2016
Pittsburgh, PA
Sobolev extensions of Lipschitz mappings into metric spaces
Invited talk at the University of Cincinnati - Analysis seminar, April 2016
Cincinnati, OH
Lipschitz extensions in metric spaces
Geometric Analysis Seminar at University of Pittsburgh, April 2016
Pittsburgh, PA
An introduction to the Heisenberg Group
Undergraduate Mathematics Seminar at University of Pittsburgh, Jan 2016
Pittsburgh, PA
Sard in Sobolev space and curves in the Heisenberg group
Graduate Student Seminar at University of Pittsburgh, Nov 2015
Pittsburgh, PA
Geodesics in the Heisenberg Group
Geometric Analysis Seminar at University of Pittsburgh, Dec 2014
Pittsburgh, PA
Properties of c_0, l^1, and l^∞
Graduate Functional Analysis Seminar at University of Pittsburgh, Feb 2014
Pittsburgh, PA
Lipschitz extensions of mappings into Lip.-conn. metric spaces
Geometric Analysis Seminar at University of Pittsburgh, Nov 2013
Pittsburgh, PA
The unrectifiability of H^n
Geometric Analysis Seminar at University of Pittsburgh, Oct 2013
Pittsburgh, PA
Whitney Extension Theorem
Geometric Analysis Seminar at University of Pittsburgh, Jan 2013
Pittsburgh, PA
The Sard Theorem
Geometric Analysis Seminar at University of Pittsburgh, Oct 2012
Pittsburgh, PA
STEMcoding Education Ohio, a 501(c)(3) non-profit organization (2024 - present)
Board member at-large
OSU/MTC Marion High School Math Competition (2021 - present)
Organizer and volunteer
The Ohio State University at Marion, Marion, OH
OSU/MTC Marion Middle School Math Competition (2022 - present)
Organizer and volunteer
The Ohio State University at Marion, Marion, OH
Beyond the Classroom Math Summer Camp (2022 - present)
Organizer and volunteer
The Ohio State University, Columbus, OH
STEM Summer Camp for High School Students (2022 - present)
Program specialist
The Ohio State University at Marion, Marion, OH
Summer Engineering Camp for Middle School Students (2022 - present)
Program specialist
The Ohio State University at Marion, Marion, OH
STEMcoding project (2022 - present)
Creating activities to encourage coding in high school STEM courses, creating a high school data science curriculum
Selected activities:
Co-Leader of STEMcoding High School Data Science training through WeTeachCS, June 2025
Presenter at Columbus City Schools Professional Development Day, Oct 2023
Presenter at Tri State STEM+ Conference, Northern Kentucky University, Nov 2023
Guest lecturer for data science high school course, Metro HS, Jan 2023
MATHCOUNTS Eastern Chapter middle school math competition (2019)
Volunteer
University of Connecticut, Storrs, CT
Math Kangaroo elementary school math competition (2017)
Volunteer
University of Connecticut, Storrs, CT
Search committee member (PoD) for postdocs (2025 - 2026)
Department of Mathematics, The Ohio State University
Faculty representative for Music Club (2024 - present)
OSU Marion
Search committee member for Executive Administrative Assistant (2024)
OSU Marion
Social committee chair (2022 - 2025)
Department of Mathematics, The Ohio State University
Prairie Advisory committee member (2023 - 2024)
OSU Marion
Search committee member for Executive Administrative Assistant (2023)
OSU Marion
Search committee member for Senior lecturer of mathematics (2023)
OSU Marion
Professional Development committee member (2022 - 2024)
OSU Marion
Social Affairs committee member (2022 - 2024)
OSU Marion
President, Mathematics Graduate Student Organization (2014 – 2017)
Department of Mathematics, University of Pittsburgh
Representative, Graduate and Professional Student Government (2015 – 2016)
University of Pittsburgh
Representative, A&S Graduate Student Organization (2014 – 2016)
Dietrich School of Arts and Sciences, University of Pittsburgh
Representative, University Planning & Budgeting Committee (2014 – 2015)
University of Pittsburgh
Officer, Mathematics Graduate Student Organization (2011 – 2014)
Department of Mathematics, University of Pittsburgh
Simons semester in geometric analysis
Junior Leader
Warsaw, Poland
"48th Summer Symposium in Real Analysis," Real Analysis Exchange (2025 - 2026)
Scientific Committee
Washington University in St. Louis, St. Louis, MO
"Modern Advances in Geometric Analysis," a conference for the 60th birthday of Piotr Hajlasz (2025 - 2026)
Organizing Committee
Bedlewo, Poland
SLMath (MSRI) Special Session on "At the Intersection of Harmonic Analysis and Fractal Geometry" (2024 - 2025)
Organizer
Joint Mathematics Meetings, Seattle, WA
PhD Dissertation committee member for Hyogo Shibahara (2023)
University of Cincinnati, Cincinnati, OH
Summer Institute on Equity in the Academic Experience (2023)
Team member for equity in pre-calculus math
The Ohio State University, Columbus, OH
AMS Special Session on "Analysis and Differential Equations at Undergraduate Institutions" (2022)
Organizer
Joint Mathematics Meetings, Seattle, WA
Analysis and Probability Seminar (2019 - 2020)
Organizer
University of Connecticut, Storrs, CT
AMS Special Session on "Analysis, Geometry, and PDEs in Non-smooth Metric Spaces" (2019)
Organizer
AMS Spring Sectional Meeting, Hartford, CT
MathSciNet Reviewer (2019 – present)
zbMATH Reviewer (2020 – present)
Journal Referee (2018 – present)
International Mathematics Research Notices
Revista Matemática Iberoamericana
Osaka Journal of Mathematics
Analysis and Mathematical Physics
ESAIM: Control, Optimisation and Calculus of Variations
Calculus of Variations and Partial Differential Equations
Journal of the London Mathematical Society
AIMS Press - Math
Journal of Geometric Analysis
Mathematics Magazine
Marion Campus Teaching Award (2025)
honors one regular faculty member annually for excellence in teaching at the Marion campus
Ohio State Energy Partners (OSEP) Academic Collaboration Award (2025)
$20,000 grant for "The STEMcoding Data Science High School Curriculum Initiative"
The Ohio State University Outreach and Engagement Award (2024)
for the development of the STEMcoding High School Data Science Curriculum
American Institute of Physics Meggers Award (2022)
$12,500 grant for the development of the STEMcoding High School Data Science Curriculum
SET Teaching Excellence (2018, 2029, 2020)
Thomas C. Hales Distinguished Research Award (2018)
Andrew Mellon Predoctoral Fellowship (2015 - 2016)
Mathematics Department Teaching Assistant Excellence (2015)
Pittsburgh Math Department Second-Year Fellowship (2012 - 2013)
Eugene R. Mittinger Mathematics Award (2008)
American Mathemataical Society
Ohio Council of Teachers of Mathematics
The Association for Mathematical Research