Problem 11103. - Gregory Galperin; Hillel Gauchman (Am. Math. Mon., 2004)

Problem 11157. - Hillel Gauchman (Am. Math. Mon., 2005)

Another Summation Identity Involving Binomial Coefficients: 11103. - Gregory Galperin; Hillel Gauchman; Jany C. Binz (Am. Math. Mon., 2006)

A Convergent Incremental Gradient Method with a Constant Step Size. - Doron Blatt; Alfred O. Hero III; Hillel Gauchman (SIAM J. Optim., 2007)

Square Root Inequality: 11157. - Hillel Gauchman; et al. (Am. Math. Mon., 2007)