Men's US Open Champions:
The US Open Womens Golf tournament is one of the LPGA's major championships along with the LPGA Championship, the British Open Golf Tournament for Women[?] and the Nabisco Golf Tournament[?].
Women's US Open Champions:
... (number theory, 1835)
Dirichlet characters (number theory, 1831)
Dirichlet convolution (number theory)
Dirichlet kernel (functional analysis, Fourier series)
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