Table Mountain Delta 2023,
14th Southern Hemisphere Symposium on the Teaching and Learning of
Undergraduate Mathematics and Statistics,
Cape Town, SOUTH AFRICA.
November 26 – December 1, 2023; Workshop; Contributed talk
[slides]
2010 AAPT Summer Meeting:
An Interactive Guide to the Paradigms in Physics Program
and
Dealing with Mathematical Difficulties in Lower- and Upper-Division
Physics Courses,
Portland, OR, USA.
July 17–21, 2010; Invited Panel Member, Contributed Talk
2010 APS/AAPT Joint Meeting:
AAPT Session on Technology for Teaching Advanced Physics
and
APS Session on Quantum Black Holes: Theory and Applications,
Washington, DC, USA.
February 13–17, 2010; Contributed Talk, Poster
Hartle Symposium,
Santa Barbara, CA, USA.
February 25, 1999; Participant
14th Annual Pacific Coast Gravity Meeting,
Eugene, OR, USA.
March 20–21, 1998; Session Chair & Contributed Talk;
2 Talks by students
15th International Conference on General Relativity and Gravitation,
Pune, INDIA.
December 16–21, 1997; Contributed Talk
921st Meeting of the American Mathematical Society:
Special Session on Octonions and Clifford Algebras
(Octoshop II),
Corvallis, OR, USA.
April 19–20, 1997; Co-organizer & Invited Talk
55th Annual Oregon Academy of Science Meeting,
Portland, OR, USA.
February 22, 1997; Participant; Talk by student
Black Holes and Relativistic Stars,
A Symposium in Honor of S. Chandrasekhar,
Chicago, IL, USA.
December 13–15, 1996; Participant
New Voices in Relativity and Quantum Gravity,
4th Annual Penn State Conference on Gravitational Physics,
State College, PA, USA.
November 8–10, 1996; Session Chair & Contributed Talk
Symposium on Graduate Study in Science for Undergraduate Women,
Corvallis, OR, USA.
October 25–27, 1996; Research Tour leader
12th Annual Pacific Coast Gravity Meeting,
Salt Lake City, UT, USA.
March 22–23, 1996; Contributed Talk
Conference in honor of Karel Kuchar,
Salt Lake City, UT, USA.
March 21, 1996; Participant
54th Annual Oregon Academy of Science Meeting,
Eugene, OR, USA.
March 2, 1996; Contributed Talk
102nd Annual Meeting of the American Mathematical Society:
Special Session on Differential Geometry and Mathematical Relativity,
Orlando, FL, USA.
January 10–13, 1996; Invited Talk
Workshop on Gravitational Collapse and Cosmic Censorship,
Pune, INDIA.
December 20–23, 1995; Session Chair & Invited Talk
Third International Conference on Gravitation and Cosmology,
Pune, INDIA.
December 13–19, 1995; Invited Participant & 2 Contributed Talks
Pacific Northwest Geometry Seminar,
Eugene, OR, USA.
October 14–15, 1995; Participant
Seventh Marcel Grossman Meeting on Recent Developments
in General Relativity,
Stanford, CA, USA.
July 24–30, 1994; Session Organizer & Invited Talk
10th Annual Pacific Coast Gravity Meeting,
Corvallis, OR, USA.
March 25–26, 1994;
Co-organizer & Contributed Talk; Talk by student
52nd Annual Oregon Academy of Science Meeting,
Corvallis, OR, USA.
February 26, 1994; Contributed Talk
14th UK Institute for Theoretical High Energy Physicists,
St Andrews, SCOTLAND.
September 4–11, 1993; Invited Participant
Directions in General Relativity,
in celebration of the 60th birthdays of
Professors Dieter Brill and Charles Misner,
College Park, MD, USA.
May 27–29, 1993; Participant
9th Annual Pacific Coast Gravity Meeting,
Santa Barbara, CA, USA.
March 5–6, 1993; Contributed Talk; Talk by student
2nd Midwest Relativity Conference,
Chicago, IL, USA.
November 6–7, 1992; Contributed Talk
Pacific Northwest Geometry Seminar,
Corvallis, OR, USA.
October 31 – November 1, 1992; Participant
13th International Conference on General Relativity and Gravitation,
Córdoba, ARGENTINA.
June 28 – July 4, 1992; Contributed Talks
Black Holes, White Holes, and Wormholes,
A Symposium in Honour of Werner Israel,
Banff, Alberta, CANADA.
May 20–23, 1992; Participant
8th Annual Pacific Coast Gravity Meeting,
Salt Lake City, UT, USA.
March 6–7, 1992; Contributed Talk
50th Annual Oregon Academy of Science Meeting,
Salem, OR, USA.
February 22, 1992; Contributed Talk
7th Annual Pacific Coast Gravity Meeting,
Claremont, CA, USA.
March 8–9, 1991; Contributed Talk
97th Annual Meeting of the American Mathematical Society,
San Francisco, CA, USA.
January 16–19, 1991; Participant
Pacific Northwest Geometry Seminar,
Corvallis, OR, USA.
November 10–11, 1990; Participant
Discussion Conference on Recent Advances in General Relativity
(A conference to honor Ezra Ted Newman on the occasion of his 60th birthday),
Pittsburgh, PA, USA.
May 3–5, 1990; Participant
6th Annual Pacific Coast Gravity Meeting,
Eugene, OR, USA.
March 30–31, 1990; Co-organizer & Contributed Talk
12th International Conference on General Relativity and Gravitation,
Boulder, CO, USA.
July 2–7, 1989; Contributed Talk
Third Canadian Conference on General Relativity and
Relativistic Astrophysics,
Victoria, BC, CANADA.
May 4–6, 1989; Contributed Talk
5th Annual Pacific Coast Gravity Conference,
Pasadena, CA, USA.
March 3–4, 1989; Contributed Talk
Pacific Northwest Geometry Seminar,
Mathematical Sciences Research Institute (MSRI),
Berkeley, CA, USA.
January 21–22, 1989; Invited Speaker
845th Meeting of the American Mathematical Society:
Special Session on Geometry and Mathematical Physics,
Lawrence, KS, USA.
October 28–29, 1988; Invited Talk
Fifth Marcel Grossman Meeting on Recent Developments
in General Relativity,
Perth, AUSTRALIA.
August 8–12, 1988; Participant
Symposium on
Spinors, Twistors and Complex Structures in General Relativity,
Durham, ENGLAND.
July 5–15, 1988; Participant
4th Annual Pacific Gravity Meeting,
Santa Barbara, CA, USA.
February 12–13, 1988; Contributed Talk
Instructional Workshop on Quantum Gravity and Early Universe,
Delhi, INDIA.
December 22, 1987 – January 2, 1988; Contributed Talk
Instructional Workshop on Advanced Aspects of General Relativity,
Calcutta, INDIA.
December 22, 1987 – January 4, 1988; Invited speaker
(First) International Conference on Gravitation and Cosmology,
Goa, INDIA.
December 14–19, 1987; Participant
Gravitation in Astrophysics,
Cargèse, FRANCE.
July 15–30, 1986; Contributed Talk
11th International Conference on General Relativity and Gravitation,
Stockholm, SWEDEN.
July 6–12, 1986; Participant
Interfereometric Gravitational Wave Detectors,
Cardiff, WALES.
February 16–17, 1986; Participant
Statistical Mechanics and Field Theory; Mathematical Aspects,
Groningen, THE NETHERLANDS.
August 26–30, 1985; Participant
Fourth Marcel Grossman Meeting on Recent Developments
in General Relativity,
Rome, ITALY.
June 17–21, 1985; Participant
International School of Cosmology and Gravitation, 9th Course:
Topological Properties and Global Structure of Space-Time,
Erice, ITALY.
May 12–22, 1985; Contributed Talk
Syracuse Discussion Conference on Classical and Quantum Gravity,
Syracuse, NY, USA.
April 18–20, 1985; Invited Participant & Contributed Talk
Symposium on Anomalies, Geometry, Topology,
Chicago, IL, USA.
March 28–30, 1985; Auditor
Second Jerusalem Winter School for Theoretical Physics:
Physics in Higher Dimensions,
Jerusalem, ISRAEL.
December 27, 1984 – January 4, 1985; Participant
12th Texas Symposium on Relativistic Astrophysics,
Jerusalem, ISRAEL.
December 17–21, 1984; Participant
23rd Annual Eastern Theoretical Physics Conference,
University Park, PA, USA.
October 26–27,1984; Participant
Flatland Symposium,
Providence, RI, USA.
October 11–13, 1984; Participant
6e Scheveningse Conferentie,
The Hague, THE NETHERLANDS.
August 26–31, 1984; Invited Speaker
International Symposium on Phase Transitions in the Very Early Universe,
Bielefeld, WEST GERMANY.
June 4–8, 1984; Contributed Talk
Triangle Meeting on Very Strong and Very Weak Interactions,
Utrecht, THE NETHERLANDS.
April 25–27, 1984; Participant
First Jerusalem Winter School for Theoretical Physics:
The Intersection between Elementary Particle Physics and Cosmology,
Jerusalem, ISRAEL.
December 28, 1983 – January 6, 1984; Auditor
Induced Gravitation Workshop,
Erice, ITALY.
October 1–7, 1983; Contributed Talk
10th International Conference on General Relativity and Gravitation,
Padua, ITALY.
July 4–9, 1983; Contributed Talk
Relativity, Groups and Topology II,
Les Houches, FRANCE.
June 27 – August 4, 1983; Pirate
Third Marcel Grossman Meeting on Recent Developments in General
Relativity,
Shanghai, PEOPLE'S REPUBLIC OF CHINA.
August 30 – September 3, 1982; Contributed Talk
32. Tagung der Nobelpreisträger in Lindau,
11th Meeting of Prize Winners for Physics,
Lindau im Bodensee, WEST GERMANY.
June 28 – July 2, 1982; Student Participant
International School of Cosmology and Gravitation,
8th Course: Unified Field Theories of more than Four
Dimensions Including Exact Solutions,
Erice, ITALY.
May 20 – June 1, 1982; Contributed Talk
10th Texas Symposium on Relativistic Astrophysics,
Baltimore, MD, USA.
December 15–19, 1980; Participant
9th International Conference on General Relativity and Gravitation,
Jena, EAST GERMANY.
July 14–19, 1980; Participant
Journées Relativistes,
Caen, FRANCE.
May 9–11, 1980; Participant
Second Marcel Grossman Meeting on Recent Developments
in General Relativity,
Trieste, ITALY.
July 5–11, 1979; Participant
29. Tagung der Nobelpreisträger in Lindau,
10th Meeting of Prize Winners for Physics,
Lindau im Bodensee, WEST GERMANY.
June 25–29, 1979; Student Participant
International School of Cosmology and Gravitation,
6th Course: Spin, Torsion, Rotation and Supergravity,
Erice, ITALY.
May 6–18, 1979; Contributed Talk
Einstein Symposion,
Berlin, WEST GERMANY.
March 25–30, 1979; Auditor
9th Texas Symposium on Relativistic Astrophysics,
Munich, WEST GERMANY.
December 14–19, 1978; Participant