1997 INSTITUT DES HAUTES ÉTUDES SCIENTIFIQUES in BURES-SUR-YVETTE, FRANCE

Clavius Group at the IHES in 1997

List of Clavius mathematicians

Hugh Albright FSC
Tom Banchoff
John Blanton
Tom Cecil
Lawrence Conlon
Margaret Freije
Richard Freije
James Heitsch
Michele Intermont
Ron Knill
John MacDonnell SJ
Joseph MacDonnell SJ
Michael May SJ
John Pouikis CSB
Sr Barbara Reynolds SDS
Patrick Ryan
Paul Schweitzer SJ
Dennis Snow
Joanne Snow
James Stasheff
William Stoeger SJ
Pedro Suarez SJ
Carlos Vasco SJ
Pawel Walczak
Andrew Whitman SJ

Clavius Community Notes

1997 INSTITUT DES HAUTES ETUDES SCIENTIFIQUES
in BURES-SUR-YVETTE, FRANCE
Meeting #35: 28 June to 2 August

Even though there was much more demand on the Institute’s facilities than in previous summers, we were generously given for our exclusive use the two pavillons for singles and three of the other family pavillons. The Group had to share more of the housing facilities than in the past, so we staggered the arrivals. Also the high cost of both travel and living expenses forced many to remain a shorter length of time.

An important first for the group occurred regarding community. Since there were so few families, all shared the evening meal together at the Jesuit pavillon. This precipitated many spontaneous discussions. The housing of the IHES also is very conducive to sharing not only among ourselves, but with the other visitors of the institute. We realized once again that we have a unique expression of the intellectual apostolate in the Church.

Clavius Group at Pavillon #8 at the IHES in 1997

Seminars

Representation Theory Seminar

Monday 7/7: Organizational meeting
Tuesday 7/8: Pete; Chapter 8, Introduction to Lie Algebras
Thursday 7/10: Pete; Chapter 8, Introduction to Lie Algebras, continued
Friday 7/1 1: Mike; Connecting Lie groups and Lie algebras, specific examples
Tuesday 7/15: Jack; More examples
Wednesday 7/16: Tom B; S0(3) and SU(2)
Thursday 7/17: Ron; A review of representations of groups
Friday 7/18: Ron; Representations of Lie Algebras, basic definitions
Tuesday 7/22: Ron; Reps of SL(2, C)
Thursday 7/24: Mike; Examples of representations
Friday 7/25: Mike; A eigenvalues of representations and root systems
Monday 7/28: Tom B; A geometric view of systems of eigenvalues
Tuesday 7/29: John P; Reconstructing the Lie Algebra SL(2,C)
Wednesday 7/30: John P; Representations of C^2 tensor C^3
Friday 8/1: John P; Representations of Symmetric Powers
Monday 8/4: John P; Representations of SL(3,C)
Tuesday 8/5: John P. The Jacobi identity and addition of eigenvalues.

Special Topics Seminar:

7/11 – James Heitsch – Riemann-Roch-Grothendieck and Higher Tortion for Foliations
7/21 – Michele Intermont – Remarks on Equivariant Homotopy Theory
7/21 – Michele Intermont- Applications of an Unstable Box Product in Equivariant Homotopy Theory
7/22 – Paul Schweitzer, SJ – Vanishing cycles and Reeb components in codimension one foliations
7/23 – Joe MacDonnell, SJ – Saccheri’s flaw while eliminating Euclid’s flaw
7/24 – Thomas Banchoff – Double Tangencies for Surfaces in Three-Space
7/24 – Pawel Walczak – A virtual leaf

Special events:

7/22 – Ignatius feast
7/23 – Business meeting

Next to the Bures parish church is this moving memorial to the World War I soldiers from Bures	University of Lodz enthusiasts

A visit to the Decouverte science museum verifies the value of Pi	List of the Clavians on the IHES bulletin Board