Education

• Ph. D. Physics 2018 University of Hawai'i at Mānoa
• M. S. Physics 2012 University of Hawai'i at Mānoa
• B. S. Computer Science 2005 Washington University in St. Louis

Research Interests

• Phenomenology of General Relativity
• Cosmology / Perturbation theory in classical gravitation
• Variational Principles

Grants and Fellowships

• Fulbright U.S. Student Program Fellow
  • University of Tartu (Tartu Ülikool), Estonia, 2015
• European Union Scholarship
  • University of Pittsburgh, Summer Language Institutes, 2015
• Baltic Summer Studies Institute (BALSSI) Scholarship
  • University of Pittsburgh, Summer Language Institutes, 2015
• NSF East Asia and Pacific Summer Institutes (EAPSI) Fellow
  • University of Tokyo/Kavli IMPU, Japan, 2014

Selected Publications and Preprints

• Well-defined Equations of Motion without Constraining External Sources, K.S. Croker, J.L. Weiner, and D. Farrah. 2022 Phys. Rev. D 105, 084042
• Cosmologically Coupled Compact Objects: A Single Parameter Model for LIGO—Virgo Mass and Redshift Distributions, K.S. Croker et al. 2021 ApJ Letters 921 22
• Implications of Symmetry and Pressure in Friedmann Cosmology. III. Point Sources of Dark Energy that Tend toward Uniformity, K.S. Croker et al. 2020 ApJ 900 57
• Implications of Symmetry and Pressure in Friedmann Cosmology. II. Stellar Remnant Black Hole Mass Function, K.S. Croker et al. 2020 ApJ 889 115
• Implications of Symmetry and Pressure in Friedmann Cosmology. I. Formalism, K.S. Croker and J.L. Weiner 2019 ApJ 882 19
• ngravs: Distinct gravitational interactions in GADGET-2, K.A.S. Croker. 2016 Comput. Phys. Commun. 207: 478-486.

Selected Seminars and Invited Talks

• "GEneric Objects of Dark Energy (GEODEs): Implications for black hole evolution and cosmology"
• November 16th, 2020
  University of Michigan, Ann Arbor
• "The GEODE mass function and its astrophysical implications"
• May 2nd, 2019
  University of Hawai'i at Mānoa
• April 10th, 2019
  Okinawa Institute of Science and Technology, Quantum Gravity Unit
• April 8th, 2019
  University of Tokyo, Research Center for the Early Universe
• April 8th, 2019
  National Astronomical Observatory of Japan
• "Friedmann Cosmology Without Assumptions on the Stress:
   Consistency and Application to the Dark Energy Problem" (PhD Dissertation Defense)
• May 22nd, 2018
  University of Hawai'i at Mānoa
• "Cosmological tests of the gravastar hypothesis"
  • April 6th, 2018
    Harvard-Smithsonian Center for Astrophysics, Institute for Theory and Computation
  • March 29th, 2018
    Queen's University, Canada
  • March 27th, 2018
    Bishop's University, Canada
  • March 22nd, 2018
    Los Alamos National Laboratory
  • March 20th, 2018
    University of California Santa Cruz, Santa Cruz Institute for Particle Physics
  • March 16th-17th, 2018
    34th Pacific Coast Gravity Meeting (PCGM34), California Institute of Technology
  • March 15th, 2018
    University of California Santa Barbara
  • March 13th, 2018
    Stanford University, Kavli Institute for Particle Astrophysics and Cosmology
• "Metric theories for non-gravitational specialists"
  • November 17th, 2016
    Hirosaki University, Department of Physics
  • August 6th, 2016
    NovDES Conference 2016, Beget, Spain
• "ngravs: Distinct gravitational interactions in Gadget-2"
  • September 25th, 2015
    Tartu-Tuorla Annual Meeting, Võru, Estonia
  • March 13th, 2015
    31st APS Pacific Coast Gravity Meeting (PCGM31), University of Oregon
  • December 19th, 2014
    University of Hawai`i at Mānoa, Department of Physics and Astronomy

Community and Science Service

• This Week in Science (TWiS): #792 Where is the Dark Energy?
  Invited 90-minute podcast interview, September, 23rd, 2020
• Reuniones de Cataluña: Novel Directions in the Era of Specialization (NovDES)
  Organizing committee (chair), 2016
• "Somos cientificos!" NovDES 2016 Community Outreach Event, August 7th, 2016
• "N-body Computer simulations: What, Why, and How?"
  • February, 23rd, 2015
    Mid-Pacific Institute, High School
    8am & 10am Sessions
  • February 19th, 2015
    Kamehmeha Schools, Kapālama Campus (High School)
  • February 19th, 2015
    Henry J. Kaiser High School
• Honolulu District Science Fair Judge
  
  • February 16th, 2019
  • February 10th, 2018
  • February 11th, 2017
  • February 14th, 2015
• Physics Department Open House
• SONY Digital Paper System - Utilities and Notes
• Aragorn Time Tracker (Android platform)
• The Megatron Daemon (Cross platform)
• KWUR 90.3 FM

Other things you should know

• Thank you Professor Dean Chancellor Martin, I'm doing my best!
• The hospitality of the Particle Theory Group of Hokkaido University in Sapporo, Japan is unmatched. Thank you so much guys for sharing Summer 2012 AND Summer 2013 with me!
• Brilliancy.
• I am the proud adoptive parent of a Kākāpō
• xmonad is on my desktop
• systemd deeply troubles me. This individual has put it eloquently enough
• Nuff' sed
• Its GNU/Linux
• Richard Feynman is surely joking
• I would like to impress Carl Bender one day
• A shout-out to those ahead of the curve in other disciplines
• I don't always wear a hat, but when I do I wear Kitties & Company
• Never take yourself too seriously...