Faculty Profiles Mathematics Department
Tufts University Arts, Sciences and Engineering
 
Name: Marjorie Hahn
Title: Professor of Mathematics
Departmental Affiliation: Mathematics Department
Degrees: Ph.D. Massachusetts Institute of Technology
Expertise: Probability and stochastic processes: approximation of partial sums, central limit theorems and other weak convergence theorems in finite and infinite-dimensional spaces, empirical central limit theorems, probability in Banach spaces, isoperimetric inequalities and concentration of measure, large deviations, random sets, decoupling methods, dependence
Statistics: Asymptotics, approximation theorems, maximum likelihood and generalizations including the maximum product of spacings method, exponential families
Major Awards: Fellow of the Institute for Mathematical Statistics
E-mail: mhahn@tufts.edu

Other websites: http://www.tufts.edu/as/math/hahn.html
Scholarship & Research: Uniform local probability approximations: improvements on Berry- Esseen Ann. Probab. 23, (1995), 446-463, with Michael J. Klass.

Approximation of partial sums of arbitrary i.i.d. random variables and the precision of the usual exponential upper bound Ann. Probab. 25, No.3, (1997), 1451-1470, with Michael J. Klass.

Optimal upper and lower bounds for the upper tails of compound Poisson processes J. Theoret. Probab. 11, No.2, (1998), 535-559, with Michael J. Klass

Distinctions between the regular and empirical central limit theories for exchangeable random variables Progress in Probability Series, Vol. 43 (1998), 111--144, Birkhauser, with Gang Zhang.

Asymptotic normality of trimmed sums of phi-mixing random variables Ann. Probab. 15, (1987), 1395-1418, with Jim Kuelbs and Jorge Samur.

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