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math.FA2013★ 30 cited
A Characterization of Metric Projection in CAT(0) Spaces
Hossein Dehghan, Jamal Rooin
In this paper, we present a characterization of metric projection in CAT(0) spaces by using the concept of quasilinearization. Furthermore, some basic properties of matric projecti…
math.CA2013★ 2 cited
Some Monotonicity Properties of Convex Functions with Applications
Jamal Rooin, Hossein Dehghan
We mainly establish a monotonicity property between some special Riemann sums of a convex function on , which in particular yields that $\frac{b-a}{n+1}\sum_{i=0}^n f\le…