4 papers · 1 filter
Dynamic Diameter in High-Dimensions against Adaptive Adversary and Beyond
Kiarash Banihashem, Jeff Giliberti, Samira Goudarzi +3
In this paper, we study the fundamental problems of maintaining the diameter and a -center clustering of a dynamic point set , where points may be insert…
How Bad Is Forming Your Own Multidimensional Opinion?
Kiarash Banihashem, MohammadTaghi Hajiaghayi, Mahdi JafariRaviz +2
Understanding the formation of opinions on interconnected topics within social networks is of significant importance. It offers insights into collective behavior and decision-makin…
Pandora with Inaccurate Priors
Kiarash Banihashem, Xiang Chen, MohammadTaghi Hajiaghayi +4
We investigate the role of inaccurate priors for the classical Pandora's box problem. In the classical Pandora's box problem we are given a set of boxes each with a known cost and…
Beating Competitive Ratio 4 for Graphic Matroid Secretary
Kiarash Banihashem, MohammadTaghi Hajiaghayi, Dariusz R. Kowalski +3
One of the classic problems in online decision-making is the *secretary problem* where to goal is to maximize the probability of choosing the largest number from a randomly ordered…