3 papers
Matroid Algorithms Under Size-Sensitive Independence Oracles
Kiarash Banihashem, MohammadTaghi Hajiaghayi, Mahdi JafariRaviz +1
The standard oracle model for matroid algorithms assumes that each independence query can be answered in constant time, regardless of the size of the queried set. While this abstra…
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…
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…