Jeffrey Humpherys

Jeffrey Humpherys, PhD

Languages spoken: English

Academic Information

Departments Primary - Internal Medicine

Divisions: Epidemiology

Academic Office Information

Education History

Doctoral Training Indiana University
 PhD
Indiana University
 MA
Undergraduate Utah State University
 BS

Selected Publications

Journal Article

  1. Scott Anjewierden, Jeffrey Humpherys, Martin J LaPage, Yukiko Asaki, and Peter F Aziz (2021). Incidence of tachyarrhythmia in infants using direct-to-consumer heart rate and oxygen monitoring. J Pediatr, 232, 147-153.
  2. Mary Jo Pugh, et al (2021). Phenotyping the Spectrum of Traumatic Brain Injury: A Review and Pathway to Standardization. Journal of Neurotrauma, 38(23), 3222-3234.
  3. Barbara E Jones, et al (2021). Computerized mortality prediction for community-acquired pneumonia: a comparison of simple versus complex approaches at 117 VA Medical Centers. Ann Am Thorac Soc, 18(7), 1175-1184.
  4. Chunyang Li, et al (2021). Predicting survival in veterans with follicular lymphoma using structured electronic health record information and machine learning. Int J Environ Res Public Health, 18(5), 2679-2698.
  5. Jeffrey Humpherys, Gregory Lyng, and Kevin Zumrbun (2017). Multidimensional spectral stability of large-amplitude Navier-Stokes shocks. Arch Ration Mech Anal, 226(3), 923-973.
  6. Humpherys J, Lytle J (2015). Root following in Evans function computation. SIAM J Numer Anal, 53(5), 2329-46.
  7. Hendricks J, Humpherys J, Lyng G, Zumrbun K (2015). Stability of weak detonations in Majda’s model. J Dyn Differ Equ, 27(2), 237-60.
  8. Barker B, Humpherys J, Lyng G, Zumbrun K (2015). Viscous hyperstabilization of detonation waves in one space dimension. SIAM J Appl Math, 75(3), 885-906.
  9. Beard RW, Ferrin J, Humpherys J (2014). Following straight line and orbital paths with input constraints. IEEE Trans Control Syst Technol, 22(6), 2103-17.
  10. Humpherys J, Lyng G, Zumbrun K (2013). Stability of viscous detonations for Majda’s model. Physica D, 259, 63-80.
  11. Ghazaryan A, Humpherys J, Lytle J (2013). Spectral behavior of combustion fronts with high exothermicity. SIAM J Appl Math, 73(1), 422-37.
  12. Humpherys J, Redd P, West JM (2012). A fresh look at the Kalman filter. SIAM Rev Soc Ind Appl Math, 54(4), 801-23.
  13. Humpherys J, Zumbrun K (2012). Efficient numerical stability analysis of detonation waves in ZND. Q Appl Math, 70(4), 685-703.
  14. Humpherys J, West J (2010). Kalman filtering with Newton’s method. 30(6), 101-6.
  15. Barker B, Humpherys J, Zumbrun K (2010). One-dimensional stability of parallel shock layers in isentropic magnetohydrodynamics. J Differ Equ, 249(9), 2175-213.
  16. Humpherys J, Lafitte O, Zumrbun K (2010). Stability of isentropic viscous shock profiles in the high Mach number limit. Commun Math Phys, 293(1), 1-36.
  17. Ewald BD, Humpherys J, West J (2010). Computing expected transition events in reducible Markov chains. SIAM J Matrix Anal Appl, 31(3), 1040-54.
  18. Humpherys J, Lyng G, Zumrbun K (2009). Spectral stability of ideal-gas shock layers. Arch Ration Mech Anal, 194(3), 1029-79.
  19. Costanzino N, Humpherys J, Nguyen T, Zumbrun K (2009). Spectral stability of large-amplitude noncharacteristic boundary layers. Arch Ration Mech Anal, 192(3), 537-87.
  20. Humpherys J (2009). On the shock wave spectrum for isentropic gas dynamics with capillarity. J Differ Equ, 246(7), 2938-57.
  21. Barker B, Humpherys J, Rudd K, Zumbrun K (2008). Stability of viscous shocks in isentropic gas dynamics. Commun Math Phys, 281(1), 231-49.
  22. Karpowitz DJ, Cox JJ, Humpherys JC, Warnick SC (2008). A dynamic workflow framework for mass customization using web service and autonomous agent techniques. J Intell Manuf, 19(5), 537-52.
  23. Barker B, Humpherys J, Rudd K, Lafitte O, Zumbrun K (2008). Stability of isentropic Navier–Stokes shocks. Appl Math (Irvine), 21(7), 742-7.
  24. Humpherys J, Zumbrun K (2006). An efficient shooting algorithm for Evans function calculations in large systems. Physica D, 220(2), 116-26.
  25. Humpherys J, Sandstede B, Zumbrun K (2006). Efficient computation of analytic bases in Evans function analysis of large systems. Numer Math (Heidelb), 103(4), 631-42.
  26. Humpherys J (2005). Admissibility of viscous-dispersive systems. 2(4), 1-13.
  27. Humpherys J (2003). Stability of Jin-Xin relaxation shocks. Q Appl Math, 61(2), 251-63.
  28. Humpherys J, Zumbrun K (2002). Spectral stability of small-amplitude shock profiles for dissipative symmetric hyperbolic-parabolic systems. Z Angew Math Phys, 53(1), 20-34.
  29. Farrelly D, Humpherys J (1995). Comment on "Signature of classical chaos on quantum tunneling". Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics, 51(6), 6313-6315. (Read full article)
  30. Howard JE, Humpherys J (1995). Nonmonotonic twist maps. Physica D, 80(3), 256-76.

Book

  1. Jeffrey Humpherys and Tyler Jarvis (2021). Foundations of Applied Mathematics, Volume 2: Algorithms, Approximation, Optimization. Society for Industrial and Applied Mathematics (SIAM).
  2. Jeffrey Humpherys, Tyler Jarvis, and Emily Evans (2017). Foundations of Applied Mathematics, Volume 1:  Mathematical Analysis. Society for Industrial and Applied Mathematics (SIAM).

Conference Proceedings

  1. Jeffrey Humpherys et al (2021). Topic-to-Topic Modeling for COVID-19 Mortality. Ninth IEEE International Conference on Healthcare Informatics (ICHI), IEEE.
  2. David Kartchner, Tanner Christensen, Jeffrey Humpherys, and Sean Wade (2017). Code2Vec: Embedding and clustering medical diagnosis and procedure data. Fifth IEEE International Conference on Healthcare Informatics (ICHI), IEEE.
  3. Beard RW, Humpherys J (2011). Following Straight Line and Orbital Paths with Input Constraints. San Francisco, CA: Proceedings of the American Controls Conference.
  4. Taylor CN, Beard RW, Humpherys J (2011). Dynamic input consensus using integrators. San Francisco, CA: Proceedings of the American Controls Conference.
  5. Burton C, Heasley M, Humpherys J, Li J (2010). Pricing of American retail options. Baltimore, MD: Proceedings of the American Controls Conference.
  6. Angelos B, Heasley M, Humpherys J (2009). Option pricing for inventory management and control. Proceedings of the American Controls Conference, St. Louis, MO.
  7. Humpherys J, West J (2009). Discrete event counting in multiagent Markov processes. Proceedings of the American Controls Conference, St. Louis, MO.
  8. Dougal C, Merriman D, Humpherys J, Warnick S (2007). Market share dynamics in a virtual fund management system. Proceedings of the American Controls Conference, New York, NY.
  9. Humpherys J (2004). On the stability of viscousdispersive fronts. Hyperbolic Problems: Theory, Numerics and Applications. Proceedings of the 10th International Conference, Yokohama Publishers, Vol II.
  10. Farrelly D, Humpherys J, Uzer T (1993). Normalization of resonant Hamiltonians. Hamiltonian mechanics. NATO Advanced Science Institutes Series B: Physics. NATO Advanced Science Institutes Series B: Physics, 331, 237-44.