We derive properties concerning all intersection exponents for
planar Brownian motion and we define generalized exponents that, loosely
speaking, correspond to noninteger numbers of Brownian paths. Some of these
properties lead to general conjectures concerning the exact value of these
exponents.
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DURHAM, NORTH CAROLINA 27708-0320 91405 ORSAY CEDEX E-MAIL: jose@math.duke.edu FRANCE E-MAIL: wendelin.werner@math.u-psud.fr