Celebratio Mathematica

Pro­fes­sion­al Activ­ity:

Uni­versity of Cali­for­nia, Dav­is
        Pro­fess­or, Math­em­at­ics De­part­ment (1990–present)

IHES (Bures-sur-Yvette), Mit­tag-Leffler In­sti­tute (Sweden)
        Vis­it­ing Schol­ar (2003)

IHES (Bures-sur-Yvette), CERN (Geneva), ESI (Vi­enna)
        Vis­it­ing Schol­ar (2002)

IHES (Bures-sur-Yvette), ESI (Vi­enna)
        Vis­it­ing Schol­ar (2001)

UC Berke­ley, Max Planck Inst. for Math. (Bonn), Rut­gers Univ., Hebrew and Tel Aviv Univ.
        Vis­it­ing Schol­ar (2000)

Mit­tag-Leffler In­sti­tute (Sweden), MSRI (Berke­ley), IHES, CERN (Geneva), Cal­tech
        Vis­it­ing Schol­ar (1999)

IHES, ITP (Santa Bar­bara)
        Vis­it­ing Schol­ar (1998)

IHES, MIT, IAS, Rut­gers Univ.
        Vis­it­ing Schol­ar (1997)

CERN, IHES
        Vis­it­ing Schol­ar (1996)

IHES
        Vis­it­ing Schol­ar (1995)

Isaac New­ton In­sti­tute (Uni­versity of Cam­bridge)
        Vis­it­ing Schol­ar (1994)

MPIM, CERN
        Vis­it­ing Schol­ar (1993)

As­pen Cen­ter for Phys­ics, ITP
        Vis­it­ing Schol­ar (1992)

MSRI, As­pen Cen­ter for Phys­ics
        Vis­it­ing Schol­ar (1991)

Mas­sachu­setts In­sti­tute of Tech­no­logy
        Vis­it­ing Schol­ar (1989–1990)

Har­vard Uni­versity
        Vis­it­ing Schol­ar (1989–1990)

In­sti­tute for Ad­vanced Study, Prin­ceton, New York
        Vis­it­ing Schol­ar (Oc­to­ber 1989–Feb­ru­ary 1990)

In­ter­na­tion­al School for Ad­vanced Study, Trieste, Italy
        Vis­it­ing Schol­ar (Septem­ber–Oc­to­ber 1989)

In­ter­na­tion­al Cen­ter for The­or­et­ic­al Phys­ics, Trieste, Italy
        Vis­it­ing Schol­ar (Ju­ly–Au­gust 1989)

Mo­scow Phys­ic­al En­gin­eer­ing In­sti­tute, De­part­ment of The­or­et­ic­al Phys­ics
        Pro­fess­or (1964–1989)

Vor­onezh Uni­versity, De­part­ment of Math­em­at­ic­al Ana­lys­is
        As­sist­ant Pro­fess­or (1958–1960)
        As­so­ci­ate Pro­fess­or (1960–1961)
        Pro­fess­or (1961–1964)