Dylan R. S. Poulsen, Ph.D.
Mathematician, Writer, Educator, Consultant
Research Interests
Dynamic Equations on Time Scales, Linear Systems, Control Theory, Stochastic Processes, Matrix Equations
Education
2010-2015
Baylor University, Waco, TX
Ph.D. Mathematics, May 2015
- Thesis Title: Stability and Control on Stochastically Generated Time Scales
- Advisor: John M. Davis, Ph.D
2006-2010
University of Puget Sound, Tacoma, WA
B.S., Mathematics, May 2010
- Summa Cum Laude
- Phi Beta Kappa
Publications
Journal articles
- Tom Cuchta, Dylan Poulsen, and Nick Wintz “Linear Quadratic Tracking and Continuous Conformable Derivatives” European Journal of Control. To appear.
- Billy J. Jackson, John M. Davis, and Dylan Poulsen “A Polar Representation of the Hilger Complex Plane” International Journal of Difference Equations 15: (2020) 419 - 427.
- Dylan Poulsen, Michael Defoort, and Mohamed Djemai “Mean Square Consensus of Double-Integrator Multi-Agent Systems Under Intermittent Control: A Stochastic Time Scale Approach” Journal of the Franklin Institute 356: (2019) 9076 - 9094.
- Dylan Poulsen and Nick Wintz. “The Kalman Filter on Stochastic Time Scales.” Nonlinear Analysis: Hybrid Systems 33 (2019): 151-161.
- Dylan Poulsen, John M. Davis, and Ian A. Gravagne. “Mean Square Stabilityfor Systems on Stochastically Generated Discrete Time Scales.” Nonlinear Analysis: Hybrid Systems 31 (2019): 41-55.
- Dylan Poulsen, John M. Davis, and Ian A. Gravagne. “The Geometry of the Region of Uniform Exponential Stability for Linear Time Invariant Dynamic Equations on Time Scales.” DCDIS Series A: Mathematical Analysis 25 (2018): 159-173.
Peer-Reviewed Conference Publications
- Dylan Poulsen, Michael Defoort, and Mohamed Djemai. “Observer-Based Output Feedback Consensus Protocol for Double-Integrator Multi-Agent Systems Under Intermittent Sampled Position Measurements.” IFAC-PapersOnLine. IFAC, 2020.
- Dylan Poulsen, John M. Davis, and Ian A. Gravagne. “Optimal Control on Stochastic Time Scales.” IFAC-PapersOnLine. IFAC, 2017.
- Dylan Poulsen, Shaun Ramsey, and Nathaniel Schwartz. “The Emergence of Chaos on Non-Uniformly Timed Systems.” 2017 51st Annual Conference on Information Sciences and Systems (CISS). IEEE, 2017.
- Dylan Poulsen, Ian A. Gravagne, and John M. Davis. “Numeric and Analytic Investigations of Mean-Square Exponential Stability for Stochastically Timed Systems.” 2015 Dynamic Systems and Control Conference. ASME, 2015.
- Matthew Mosley, Ian A. Gravagne, John M. Davis, and Dylan Poulsen. “ Experimental Investigation of a Time Scales-Based Stability Criterion Over Finite Time Horizons.” 2015 Dynamic Systems and Control Conference. ASME, 2015.
- Dylan Poulsen, John M. Davis, and Ian A. Gravagne. “Is Deterministic Real Time Control Always Necessary? A Time Scales Perspective.” 2014 Dynamic Systems and Control Conference. ASME, 2014.
- Dylan Poulsen, John M. Davis, and Ian A. Gravagne. “Observer based feedback controllers on stochastic time scales.” 2013 45th Southeastern Symposium on System Theory (SSST). IEEE, 2013.
- Dylan Poulsen, John M. Davis, and Ian A. Gravagne. “Stochastic time scales: quadratic Lyapunov functions and probabilistic regions of stability.” 2013 45th Southeastern Symposium on System Theory (SSST). IEEE, 2013.
- Ian A. Gravagne, John M. Davis, and Dylan Poulsen. “Time scale-based observer design for battery state-of-charge estimation.” 2012 44th Southeastern Symposium on System Theory (SSST). IEEE, 2012.
- Dylan Poulsen, Ian A. Gravagne, John M. Davis, and Robert J. Marks. “On the stability of mu-varying dynamic equations on stochastically generated time scales.” 2012 44th Southeastern Symposium on System Theory (SSST). IEEE, 2012.
- Dylan Poulsen, Michael Z. Spivey, and Robert J. Marks. “The Poisson Process and Associated Probability Distributions on Time Scales.” 2011 43rd Southeastern Symposium on System Theory (SSST). IEEE, 2011.
National Grants
Summer 2024
DSC: The Upper Eastern Shore Data Science Corps (UESDSC) at Washington College: Developing Data Science Skills in Service to Community in Rural Maryland, Submitted, $506,793
Institutional Grants
Summer 2020
Lowering the Barrier to Entry in Probability via Coding and Simulation Labs, Cromwell Center for Teaching and Learning Innovative Pedagogy Grant, Funded, $2000.Summer 2018
The Application of Stochastic Time Scales to Control Engineering, Faculty Enhancement Grant, Funded, $1,008.Spring 2017
Differential Calculus, Cromwell Center for Teaching and Learning Innovative Pedagogy Grant, Funded, $5,000 (Co-PI with Nathaniel Schwartz)
Presentations
Invited Colloquim Speaker
Jan 2022
Christopher Newport University Department of Mathematics Colloquium. “Finding Mathematical Joy Cutting Onions.”June 2018
University of Valenciennes Séminaire ROC du Département Auto. “Stability of Linear Systems Subject to Stochastic Timing.”Mar 2018
United States Naval Academy Applied Mathematics Seminar. “Engineering in an Imperfect World.”Sept 2016
Christopher Newport University Department of Mathematics Colloquium. “Engineering in an Imperfect World.”
Conference Speaker
July 2020
IFAC World Congress, Berlin, Germany (Virtual). “Observer-Based Output Feedback Consensus Protocol for Double-Integrator Multi-Agent Systems Under Intermittent Sampled Position Measurements.”Jan 2019
Joint Mathematics Meetings, Baltimore, MD. “Consensus of Multi-Agent Systems: A Time Scales Approach.”July 2017
IFAC World Congress, Toulouse, France July 2017. “Opitmal Control on Stochastic Time Scales.”Jan 2016
Joint Mathematics Meetings, Seattle, WA. “Can an Unstable Control System Be Stabilized By Timing Noise?”Nov 2015
MAA MD-DC-VA Sectional Meeting, Saint Marys City, MD. “Can an Unstable Control System Be Stabilized By Timing Noise?”Oct 2015
ASME 2015 Dynamic Systems and Control Conference, Columbus, OH. “Numeric and Analytic Investigations of Mean-Square Exponential Stability for Stochastically Timed Systems.”Jan 2015
Joint Mathematics Meetings, San Antonio, TX. “The Geometry of the Region of Uniform Exponential Stability on an Arbitrary Time Scale.”Oct 2014
ASME 2014 Dynamic Systems and Control Conference, San Antonio, TX. “Is Deterministic Real Time Control Always Necessary? A Time Scales Perspective.”Jan 2014
Joint Mathematics Meetings, Baltimore, MD. “Stability of Markov Chains: A Time Scales Viewpoint with Applications to Control.”Oct 2013
Central Section Fall Meeting of the AMS, St. Louis, MO. “Stability of Markov Chains: A Time Scales Viewpoint with Applications to Control.”Mar 2013
Southeastern Symposium on Systems Theory, Waco, TX.- “Stochastic Time Scales: Quadratic Lyapunov Functions and Probabilistic Regions of Stability.”
- “Observer Based Feedback Controllers on Stochastic Time Scales.”
Mar 2012
Southeastern Symposium on Systems Theory, Jacksonville, FL.- “On the Stability of Mu-Varying Dynamic Equations on Stochastically Generated Time Scales.”
- “Time Scale-Based Observer Design for Battery State-of-Charge Estimation.”
Mar 2011
Southeastern Symposium on Systems Theory, Auburn, AL. “The Poisson Process and Associated Probability Distributions on Time Scales.”Oct 2009
Central Section Fall Meeting of the AMS, Waco, TX. “Coupled Conditions for Asymptotic Equivalence on Time Scales.”Oct 2009
INFORMS Annual National Meeting, San Diego, CA. “The Optimal Tilt Angle of Solar Panels.”Aug 2009
MAA MathFest, Portland, OR. “The Optimal Tilt Angle of Solar Panels.”June 2009
Rocky Mountain Mathematics Consortium, Laramie, WY. “Coupled Conditions for Asymptotic Equivalence on Time Scales.”Apr 2009
MAA Paciffic Northwest Sectional Meeting, Ellensburg, WA. “The Asymptotic Behavior of Dynamic Equations on Time Scales.”
Conference Poster Presentations
Mar 2019
American Association for Cancer Research Annual Meeting 2019. “Rapid Fluorescence Based Assessment of RNA Integrity Quality Using Machine Learning.” Presented by Scott Clarke.
Teaching Experience
2024-present
Washington College John W. Allender Associate Professor of Ethical Data Science
2021-2024
Washington College Associate Professor of Mathematics
2015-21
Washington College Assistant Professor of Mathematics
Courses Designed and Managed at Washington College
Four Sections
MAT 109 - StatisticsTwelve Sections
MAT 111 - Differential CalculusTwelve Sections
MAT 112 - Integral CalculusTwo Sections
MAT 199 - History of MathematicsTwo Sections
MAT 210 - Multivariable CalculusOne Section
CSI 220 - Introduction to Data ScienceSeven Sections
MAT 280 - Linear AlgebraFice Sections
MAT 310 - Differential EquationsTwo Sections
MAT 320 - Probability TheoryOne Section
MAT 392 and 492 - Junior and Senior Math SeminarOne Section
MAT 394 - Partial Differential EquationsThree Sections
MAT 470 - Real Analysis
Senior Capstone Projects Mentored at Washington College
2022-2023
Sneha Dixit “The Fourier Transform and Applications.”2022-2023
Seyed Marjaei “Propeller Design and Dynamic Mode Decomposition.”2022
Rachel Chatfield “Mathematical Scaling and Use of Organ-on-a-Chip for Disease Modeling and Drug Testing.”2022
Sam Hickman “LQR Control of a Reaction Wheel Inverted Pendulum.”2021-2022
Evan McCarthy “Power System Automation for Electric Race Boats.”2021-2022
Chloe Sass “The Discrete Kalman Filter.”2021-2022
Kennett Vail-Rojas “On the Interactions of Black Holes and Dark Matter: Primordial Black Holes as Potential Dark Matter Constituents.”2020-2021
Brendan Farrell “A Review of Superconductivity.”2019-2020
Nicole Albrecht “An Introduction To Compartmental Models Of Infectious Disease.”2019-2020
Patrick Berry “Quantum Computing.”2019
Gauge Burnett “Fantastic Knots and How to Tie Them.”2018-2019
Simon Checknoff “Using Lie Symmetries to Solve Differential Equations.”2018-2019
Molly Flowers “ An Experimental Study of Time-Reversal Acoustics.”2018-2019
Kevin McCormick “Optimal Control Theory: Dynamic Programming of Solar Panel Consumption.”2018-2019
Sheng Mi “Brownian Motion and Stock Prices”2017-2018
Yilin Yang “The Application of Mathematics in the Game ‘Lights Out.’”2017-2018
Alexandra Young “Female Labor Force Participation Rate Effects on Births”2017-2018
Courtney Rainey “Exploding Dots and Division Rules.”2016-2017
Dimitri Kaliakin “Assessment of Kellers Mathematical Model for Optimal Velocity in a Footrace”2016-2017
Ricardo Wu “Model of Business Risk Management.”2015-2016
Bryten Ives “Theory and Actuarial Applications of Stochastic Processes.”2015-2016
Maisie Newman “Efficiently Modeling the Control of West Nile Virus.”2015-2016
Laurel Jones “Exploring Mathematical Models of the Bacterium Clostridium difficile.”
2011-2015
Baylor University Teacher of Record, Department of Mathematics
Courses Managed at Baylor University
Three Sections
MTH 1320 - Precalculus MathematicsOne Section
MTH 1321 - Calculus IOne Section
MTH 1308 - Precalculus for Business StudentsOne Section
MTH 1309 - Calculus for Business Students
Mentor for Undergraduate Research At Baylor University
Spring 2013
Brooklyn George “On the Stability Region for Dynamic Equations on the Cantor Set.”2014-2015
Matthew Mosely “ Applications of Dynamic Equations on Time Scales.” Honors Thesis on Engineering
Honors
Teaching Awards
May 2015
Baylor University Department of Mathematics Outstanding Graduate Student Teaching Award.Jan 2023
Cromwell Award for Innovation in Teaching, Cromwell Center for Teaching and Learning, Washington College.
Professional Development Fellowships
June 2015 - August 2016
Project NExT Fellow. Project NExT is a professional development program for early-career mathematicians.
Honor Societies
Fall 2015
Pi Mu Epsilon, Iota of Maryland. Charter faculty member.Spring 2010
Phi Beta Kappa, Delta of Washington.
Service to the Profession
Chairing Sessions
- Joint Mathematics Meetings, Baltimore, MD Jan 2014. AMS Session on Game Theory and Computing.
- Joint Mathematics Meetings, San Antonio, TX Jan 2015. AMS Session on Game Theory, Economics, Control Theory, and Information.
- Joint Mathematics Meetings, Seattle, WA Jan 2016. AMS Session on Computer Science, Information, Control Theory, and Economics.
Peer Review
- Nonlinear Analysis: Hybrid Systems Four Reviews. Outstanding Reviewer Status.
- Journal of the Franklin Institute Two Reviews. Recognized Reviewer Status.
- IFAC World Congress 2020 Two Reviews.
- Advances in Difference Equations One Review.
Service to Washington College
Fall 2023, Fall 2024 - Present
Member, Planning Committee.Fall 2021 - Spring 2024
Chair, Department of Mathematics and Computer Science.Fall 2021 - Spring 2023
Member, Tenure and Promotion Committee.Fall 2019 - Fall 2021
Member, Assessment Committee.Fall 2017 - Fall 2019
Faculty Advisor to the Student Government Association.Fall 2017 - Fall 2019
Chair, Student Life Committee.Fall 2016 - Spring 2018
Member, Cromwell CTL Advisory Board.2015, 2017, 2018, 2021, 2023
Member, Search Committee for the Department of Mathematics and Computer Science.