Roy Goodman
Professor, Mathematical Sciences
504a Cullimore Hall (CULM)
About Me
Roy completed his Ph.D. in 1999 at New York University's Courant Institute. He spent two years as a postdoc, splitting his time between Lucent Bell Laboratories and Princeton University. He joined the NJIT Department of Mathematical Sciences in 2001. He is currently Associate Chair for Graduate Studies.
Education
Ph.D.
; New York University
; Mathematics
; 1999
B.S. ; University of Michigan-Ann Arbor ; Mathematics ; 1994
B.S. ; University of Michigan-Ann Arbor ; Mathematics ; 1994
Website
2025 Fall Courses
MATH 792B - PRE DOCTORAL RESEARCH
MATH 790A - DOCT DISSERTATION & RES
MATH 790A - DOCT DISSERTATION & RES
Teaching Interests
Applied and applicable mathematics: calculus, linear algebra, numerical methods, analysis, differential equations, dynamical systems, asymptotics, mathematical modeling
Past Courses
MATH 111: CALCULUS I
MATH 112: CALCULUS II
MATH 211: CALCULUS IIIA
MATH 222: DIFFERENTIAL EQUATIONS
MATH 227: MATHEMATICAL MODELING
MATH 331: INTRO PARTIAL DIFF EQ
MATH 332: INTRO COMPLEX VARIABLES
MATH 337: LINEAR ALGEBRA
MATH 337: LINEAR ALGEBRA HONORS
MATH 340: APPLIED NUMERICAL METHODS
MATH 440: ADV APPL NUMERICAL METH
MATH 440: ADVANCED APPLIED NUMERICAL METHODS
MATH 450: METHODS OF APPLIED MATH
MATH 451: HONORS- METHODS APPL MATH II
MATH 451: METHODS APPL MATH II
MATH 473: INTERMED DIFFEREN EQUATN
MATH 573: INTERMED DIFF EQUATIONS
MATH 611: NUMER METH FOR COMPUTATN
MATH 614: NUMERICAL METHODS I
MATH 671: ASYMPTOTIC METHODS I
MATH 676: ADV ORDINARY DIFFE EQ
MATH 707: ST: DYNAMICAL SYSTEMS
MATH 722: WAVE PROPAGATION
MATH 791: GRADUATE SEMINAR
MATH 112: CALCULUS II
MATH 211: CALCULUS IIIA
MATH 222: DIFFERENTIAL EQUATIONS
MATH 227: MATHEMATICAL MODELING
MATH 331: INTRO PARTIAL DIFF EQ
MATH 332: INTRO COMPLEX VARIABLES
MATH 337: LINEAR ALGEBRA
MATH 337: LINEAR ALGEBRA HONORS
MATH 340: APPLIED NUMERICAL METHODS
MATH 440: ADV APPL NUMERICAL METH
MATH 440: ADVANCED APPLIED NUMERICAL METHODS
MATH 450: METHODS OF APPLIED MATH
MATH 451: HONORS- METHODS APPL MATH II
MATH 451: METHODS APPL MATH II
MATH 473: INTERMED DIFFEREN EQUATN
MATH 573: INTERMED DIFF EQUATIONS
MATH 611: NUMER METH FOR COMPUTATN
MATH 614: NUMERICAL METHODS I
MATH 671: ASYMPTOTIC METHODS I
MATH 676: ADV ORDINARY DIFFE EQ
MATH 707: ST: DYNAMICAL SYSTEMS
MATH 722: WAVE PROPAGATION
MATH 791: GRADUATE SEMINAR
Research Interests
Wave equations, dynamical systems, invariant manifolds, numerical computation
Journal Article
Roy H. Goodman, Grace Conte, Jeremy L. Marzuola.
2025. "QGLAB: A MATLAB Package for Computations on Quantum Graphs."
SIAM Journal on Scientific Computing , vol. 47 , no. 2 , pp. B428-B453.
Atul Anurag, Roy H. Goodman, Ellison K. O'Grady. 2024. "A new canonical reduction of three-vortex motion and its application to vortex-dipole scattering." Physics of Fluids , vol. 36 , pp. 067110.
Jimmie Adriazola, Roy H. Goodman. 2023. "Apodizer Design to Efficiently Couple Light into a Fiber Bragg Grating." SIAM Journal on Applied Mathematics , vol. 83 , no. 3 , pp. 1126-1145.
Jimmie Adriazola, Roy H. Goodman, Panayotis G. Kevrekidis. 2023. "Efficient Manipulation of Bose-Einstein Condensates in a Double-Well Potential1." Communications in Nonlinear Science and Numerical Simulation , vol. 122 , pp. 107219 (14 pp.).
Roy H. Goodman, Brandon M. Behring. 2023. "Transition to instability of the leapfrogging vortex quartet." Mechanics Research Communications , vol. 128 , pp. 104068.
Atul Anurag, Roy H. Goodman, Ellison K. O'Grady. 2024. "A new canonical reduction of three-vortex motion and its application to vortex-dipole scattering." Physics of Fluids , vol. 36 , pp. 067110.
Jimmie Adriazola, Roy H. Goodman. 2023. "Apodizer Design to Efficiently Couple Light into a Fiber Bragg Grating." SIAM Journal on Applied Mathematics , vol. 83 , no. 3 , pp. 1126-1145.
Jimmie Adriazola, Roy H. Goodman, Panayotis G. Kevrekidis. 2023. "Efficient Manipulation of Bose-Einstein Condensates in a Double-Well Potential1." Communications in Nonlinear Science and Numerical Simulation , vol. 122 , pp. 107219 (14 pp.).
Roy H. Goodman, Brandon M. Behring. 2023. "Transition to instability of the leapfrogging vortex quartet." Mechanics Research Communications , vol. 128 , pp. 104068.
SHOW MORE
Jimmie Adriazola, Roy H. Goodman.
2022. "An Optimal Control Approach to Gradient-Index Design for Beam Reshaping."
Journal of the Optical Society of America A , vol. 39 , no. 5 , pp. 907--915.
Jimmie Adriazola, Roy H. Goodman. "A Reduction-Based Strategy for Optimal Control of Bose-Einstein Condensates." Physical Review E , vol. 105 , pp. 025311(1-16).
Timothy E Favor, Roy H. Goodman, J. Douglas Wright. 2020. "Solitary Waves in Mass-in-Mass Lattices." Zeitschrift für Angewandte Mathematik und Physik , vol. 71 , no. 6 , pp. 1-20.
Amir Sagiv , Adi Ditkowski, Roy H. Goodman, Gadi Fibich. 2020. "Loss of physical reversibility in reversible systems." Physica D: Nonlinear Phenomena , vol. 410 , pp. 132515.
Amir Sagiv, Adi Ditkowski, Roy H. Goodman, Gadi Fibich. 2020. "Loss of Physical Reversibility in Reversible Systems." Physica D: Nonlinear Phenomena , vol. 410 , pp. 132515.
Brandon M. Behring, Roy H. Goodman. 2019. "Stability of leapfrogging vortex pairs: A semi-analytic approach." Physical Review Fluids , vol. 4 , no. 12 , pp. 124703.
Roy H. Goodman, Maurizio Porfiri. 2019. "Topological features determining the error in the inference of networks using transfer entropy." Mathematics in Engineering , vol. 2 , no. 1 , pp. 34-54.
Adilbek Kairzhan, Dmitry E. Pelinovsky, Roy H. Goodman. 2019. "Drift of Spectrally Stable Shifted States on Star Graphs." SIAM Journal on Applied Dynamical Systems , vol. 18 , no. 4 , pp. 1723-1755.
Roy H. Goodman. 2019. "NLS Bifurcations on the bowtie combinatorial graph and the dumbbell metric graph." Discrete and Continuous Dynamical Systems , vol. 39 , no. 4 , pp. 2203--2232.
Roy H. Goodman. 2017. "Bifurcations of relative periodic orbits in NLS/GP with a triple-well potential." Physica D: Nonlinear Phenomena , vol. 359 , pp. 39--59.
Roy H. Goodman, Aminur Rahman, Michael J Bellanich, Catherine Morrison. 2015. "A mechanical analog of the two-bounce resonance of solitary waves: Modeling and experiment." Chaos: An Interdisciplinary Journal of Nonlinear Science , vol. 25 , no. 4 , pp. 043109.
Roy H. Goodman, Panayotis G. Kevrekidis, Ricardo Carretero-González. 2015. "Dynamics of vortex dipoles in anisotropic Bose-Einstein condensates." SIAM Journal on Applied Dynamical Systems , vol. 14 , no. 2 , pp. 699-729.
Roy H. Goodman, Jeremy L. Marzuola, Michael I. Weinsten. 2015. "Self-trapping and Josephson tunneling solutions to the nonlinear Schrodinger / Gross-Pitaevskii Equation." Discrete and Continuous Dynamical Systems--Series A / American Institute of Mathematical Sciences , vol. 35 , no. 1 , pp. 225-246.
Jacek K. Wróbel, Roy H. Goodman. 2013. "High-order adaptive method for computing two-dimensional invariant manifolds of three-dimensional maps." Communications in Nonlinear Science and Numerical Simulation , vol. 18 , no. 7 , pp. 1734-1745.
Roy H. Goodman. 2011. "Hamiltonian Hopf bifurcations and dynamics of NLS/GP standing-wave modes." J. Phys. A Math. Theor. , vol. 44 , no. 42 , pp. 425101 (28pp).
J. Blawzddiewicz, Roy H. Goodman, N. Khurana, E. Wajnryb, Yuan-Nan Young. 2010. "Nonlinear hydrodynamic phenomena in Stokes flow regime." Physica D/Elsevier , vol. 239 , no. 14 , pp. 1214-1224.
Roy H. Goodman, Michael I. Weinstein. 2008. "Stability and instability of nonlinear defect states in the coupled mode equations—Analytical and numerical study." Physica D: Nonlinear Phenomena , vol. 237 , no. 21 , pp. 2731-2760.
Yuan-Nan Young, Jerzy Blawzdiewiecz, Vittorio Cristini, Roy H. Goodman. 2008. "Hysteretic and chaotic dynamics of viscous drops in creeping flows with rotation." Journal of Fluid Mechanics , vol. 607 , pp. 209-234.
Roy H. Goodman, Richard Haberman. 2007. "Chaotic Scattering and the -Bounce Resonance in Solitary-Wave Interactions." Physical Review Letters , vol. 98 , no. 10 .
Roy H. Goodman, Richard Haberman. 2007. "Chaotic Scattering and the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>n</mml:mi></mml:math>-Bounce Resonance in Solitary-Wave Interactions." Physical Review Letters , vol. 98 , no. 10 .
Roy H. Goodman, Richard Haberman. 2005. "Vector-soliton collision dynamics in nonlinear optical fibers." Physical Review E , vol. 71 , no. 5 .
Roy H. Goodman, Richard Haberman. 2005. "Kink-Antikink Collisions in the phi^4 Equation: The n-Bounce Resonance and the Separatrix Map." SIAM Journal on Applied Dynamical Systems , vol. 4 , no. 4 , pp. 1195-1228.
Roy H. Goodman, Richard Haberman. 2004. "Interaction of sine-Gordon kinks with defects: the two-bounce resonance." Physica D: Nonlinear Phenomena , vol. 195 , no. 3-4 , pp. 303-323.
Roy H. Goodman, Richart E. Slusher, Michael I. Weinstein. 2002. "Stopping light on a defect: erratum." Journal of the Optical Society of America B , vol. 19 , no. 11 , pp. 2737.
Roy H. Goodman, Richart E. Slusher, Michael I. Weinstein. 2002. "Stopping light on a defect." Journal of the Optical Society of America B , vol. 19 , no. 7 , pp. 1635.
Roy H. Goodman, David S. Graff, Leonard M. Sander, Patrick Leroux-Hugon, Eric Clément. 1995. "Trigger waves in a model for catalysis." Physical Review E , vol. 52 , no. 6 , pp. 5904-5909.
Jimmie Adriazola, Roy H. Goodman. "A Reduction-Based Strategy for Optimal Control of Bose-Einstein Condensates." Physical Review E , vol. 105 , pp. 025311(1-16).
Timothy E Favor, Roy H. Goodman, J. Douglas Wright. 2020. "Solitary Waves in Mass-in-Mass Lattices." Zeitschrift für Angewandte Mathematik und Physik , vol. 71 , no. 6 , pp. 1-20.
Amir Sagiv , Adi Ditkowski, Roy H. Goodman, Gadi Fibich. 2020. "Loss of physical reversibility in reversible systems." Physica D: Nonlinear Phenomena , vol. 410 , pp. 132515.
Amir Sagiv, Adi Ditkowski, Roy H. Goodman, Gadi Fibich. 2020. "Loss of Physical Reversibility in Reversible Systems." Physica D: Nonlinear Phenomena , vol. 410 , pp. 132515.
Brandon M. Behring, Roy H. Goodman. 2019. "Stability of leapfrogging vortex pairs: A semi-analytic approach." Physical Review Fluids , vol. 4 , no. 12 , pp. 124703.
Roy H. Goodman, Maurizio Porfiri. 2019. "Topological features determining the error in the inference of networks using transfer entropy." Mathematics in Engineering , vol. 2 , no. 1 , pp. 34-54.
Adilbek Kairzhan, Dmitry E. Pelinovsky, Roy H. Goodman. 2019. "Drift of Spectrally Stable Shifted States on Star Graphs." SIAM Journal on Applied Dynamical Systems , vol. 18 , no. 4 , pp. 1723-1755.
Roy H. Goodman. 2019. "NLS Bifurcations on the bowtie combinatorial graph and the dumbbell metric graph." Discrete and Continuous Dynamical Systems , vol. 39 , no. 4 , pp. 2203--2232.
Roy H. Goodman. 2017. "Bifurcations of relative periodic orbits in NLS/GP with a triple-well potential." Physica D: Nonlinear Phenomena , vol. 359 , pp. 39--59.
Roy H. Goodman, Aminur Rahman, Michael J Bellanich, Catherine Morrison. 2015. "A mechanical analog of the two-bounce resonance of solitary waves: Modeling and experiment." Chaos: An Interdisciplinary Journal of Nonlinear Science , vol. 25 , no. 4 , pp. 043109.
Roy H. Goodman, Panayotis G. Kevrekidis, Ricardo Carretero-González. 2015. "Dynamics of vortex dipoles in anisotropic Bose-Einstein condensates." SIAM Journal on Applied Dynamical Systems , vol. 14 , no. 2 , pp. 699-729.
Roy H. Goodman, Jeremy L. Marzuola, Michael I. Weinsten. 2015. "Self-trapping and Josephson tunneling solutions to the nonlinear Schrodinger / Gross-Pitaevskii Equation." Discrete and Continuous Dynamical Systems--Series A / American Institute of Mathematical Sciences , vol. 35 , no. 1 , pp. 225-246.
Jacek K. Wróbel, Roy H. Goodman. 2013. "High-order adaptive method for computing two-dimensional invariant manifolds of three-dimensional maps." Communications in Nonlinear Science and Numerical Simulation , vol. 18 , no. 7 , pp. 1734-1745.
Roy H. Goodman. 2011. "Hamiltonian Hopf bifurcations and dynamics of NLS/GP standing-wave modes." J. Phys. A Math. Theor. , vol. 44 , no. 42 , pp. 425101 (28pp).
J. Blawzddiewicz, Roy H. Goodman, N. Khurana, E. Wajnryb, Yuan-Nan Young. 2010. "Nonlinear hydrodynamic phenomena in Stokes flow regime." Physica D/Elsevier , vol. 239 , no. 14 , pp. 1214-1224.
Roy H. Goodman, Michael I. Weinstein. 2008. "Stability and instability of nonlinear defect states in the coupled mode equations—Analytical and numerical study." Physica D: Nonlinear Phenomena , vol. 237 , no. 21 , pp. 2731-2760.
Yuan-Nan Young, Jerzy Blawzdiewiecz, Vittorio Cristini, Roy H. Goodman. 2008. "Hysteretic and chaotic dynamics of viscous drops in creeping flows with rotation." Journal of Fluid Mechanics , vol. 607 , pp. 209-234.
Roy H. Goodman, Richard Haberman. 2007. "Chaotic Scattering and the -Bounce Resonance in Solitary-Wave Interactions." Physical Review Letters , vol. 98 , no. 10 .
Roy H. Goodman, Richard Haberman. 2007. "Chaotic Scattering and the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>n</mml:mi></mml:math>-Bounce Resonance in Solitary-Wave Interactions." Physical Review Letters , vol. 98 , no. 10 .
Roy H. Goodman, Richard Haberman. 2005. "Vector-soliton collision dynamics in nonlinear optical fibers." Physical Review E , vol. 71 , no. 5 .
Roy H. Goodman, Richard Haberman. 2005. "Kink-Antikink Collisions in the phi^4 Equation: The n-Bounce Resonance and the Separatrix Map." SIAM Journal on Applied Dynamical Systems , vol. 4 , no. 4 , pp. 1195-1228.
Roy H. Goodman, Richard Haberman. 2004. "Interaction of sine-Gordon kinks with defects: the two-bounce resonance." Physica D: Nonlinear Phenomena , vol. 195 , no. 3-4 , pp. 303-323.
Roy H. Goodman, Richart E. Slusher, Michael I. Weinstein. 2002. "Stopping light on a defect: erratum." Journal of the Optical Society of America B , vol. 19 , no. 11 , pp. 2737.
Roy H. Goodman, Richart E. Slusher, Michael I. Weinstein. 2002. "Stopping light on a defect." Journal of the Optical Society of America B , vol. 19 , no. 7 , pp. 1635.
Roy H. Goodman, David S. Graff, Leonard M. Sander, Patrick Leroux-Hugon, Eric Clément. 1995. "Trigger waves in a model for catalysis." Physical Review E , vol. 52 , no. 6 , pp. 5904-5909.
COLLAPSE
Magazine/Trade Publication
"Four Decades of Kink Interactions in Nonlinear Klein-Gordon Models: A Crucial Typo, Recent Developments and the Challenges Ahead"
DSWeb, a website of the SIAM Activity Group in Dynamical Systems, October (4th Quarter/Autumn), 2019.
"Markdown: A Writing Tool for Every Applied Mathematician's Toolbox"
SIAM News, May, 2019.
DSWeb, a website of the SIAM Activity Group in Dynamical Systems, October (4th Quarter/Autumn), 2019.
"Markdown: A Writing Tool for Every Applied Mathematician's Toolbox"
SIAM News, May, 2019.
Book
Roy H. Goodman.
"Mathematical Analysis of Fractal Kink-Antikink Collisions in the phi-4 Model."
15 pp. Springer-Verlag, 2019.
Book Review
"Review of "Methods of Mathematical Modeling" by Witelski and Bowen"
SIAM Review, May, 2017.
SIAM Review, May, 2017.