Contents of Volume 4, Number 2

All articles in this issue are freely accessible.

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Variational construction of orbits of twist diffeomorphisms

John N. Mather.
J. Amer. Math. Soc. 4 (1991), 207-263
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MathSciNet review: 1080112

Adiabatic limits, nonmultiplicativity of signature, and Leray spectral sequence

Xianzhe Dai.
J. Amer. Math. Soc. 4 (1991), 265-321
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MathSciNet review: 1088332

Well-posedness of the initial value problem for the Korteweg-de Vries equation

Carlos E. Kenig, Gustavo Ponce and Luis Vega.
J. Amer. Math. Soc. 4 (1991), 323-347
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MathSciNet review: 1086966

On the nonlinear convexity theorem of Kostant

Jiang-Hua Lu and Tudor Ratiu.
J. Amer. Math. Soc. 4 (1991), 349-363
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MathSciNet review: 1086967

Quivers, perverse sheaves, and quantized enveloping algebras

G. Lusztig.
J. Amer. Math. Soc. 4 (1991), 365-421
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MathSciNet review: 1088333