Ralph Abraham

Professor of Mathematics

Chaos Theory, Computation

• Mathematician and chaos theorist since 1958.
• Professor of mathematics at UC Santa Cruz since 1968.
• Formerly professor at UC Berkeley, Columbia, and Princeton.
• Founding director of the Visual Math Institute in Santa Cruz, California.
• Author of math texts, including:
  • Foundations of Mechanics with Jerrold Marsden, and
  • Dynamics, the Geometry of Behavior with Christopher Shaw.
• Author of philosophical books including:
  • Chaos, Gaia, Eros, and
  • Chaos, Cosmos, and Creativity with Rupert Sheldrake and Terence McKenna.
• Designed the curriculum for the Ross School, grades 5-12, with the late cultural historian William Irwin Thompson.
• Lectures on chaos theory.

• New Articles:
  MS#159. Schismogenesis, 2020
  MS#160. Time with Ralph Metzner, 2020
  MS#161. Five Legacies of David Loye, 2022
  MS#162. Meeting Hans Jenny, 2023
  MS#163. The End of Time, 2023
  MS#164. Consciousness and AI, 2023
  MS#165. WWW & Existential Threats, 2023
  MS#166. From Myth to Math, 2023
  MS#167. Phase Regulation, 2023
• New Concert Video:
  June 2023 with Ben Neill
• New Books:
  February 2020 Hip Santa Cruz 5
  February 2021 Vibrations and Forms
  February 2023 Hip Santa Cruz 6
  February 2023 Schism
• New listing of publications of Trialogues
• New website:
  HipSantaCruz.org
• New printing of Dynamics, the Geometry of Behavior on paper. Part One now available at amazon.com.
• New Interviews:
  Chaos Theory
  by Terence McKenna, 1984
  Mathematics of Chaos
  Interview by Jason Louv, 2017
  The Invisible Relationships
  by Joanna Harcourt Smith, 2017
  The Hip Santa Cruz Project
  by Dr. & Mrs. Future, 2021
  From Psychedelic Summit
  Santa Cruz, 1992