4 papers
Mean first passage times of higher-dimensional velocity jump processes
Maria R. D'Orsogna, Alan E. Lindsay, Thomas Hillen
First passage phenomena arise across physics, biology, and finance when stochastic processes first reach a threshold, triggering downstream events. Examples include the irreversibl…
A review of mechanistic and data-driven models of terrorism and radicalization
Yao-li Chuang, Maria R. D'Orsogna
The rapid spread of radical ideologies in recent years has led to a worldwide string of terrorist attacks. Understanding how extremist tendencies germinate, develop, and drive indi…
First passage times to T cell activation
Tony Wong, Ikchang Cho, Maria R. D'Orsogna +1
Effective recognition of foreign antigens by the adaptive immune system relies on T cells being activated by antigen-presenting cells (APCs) in lymph nodes. Here, diffusing T cells…
Efficient Portfolio Selection through Preference Aggregation with Quicksort and the Bradley--Terry Model
Yurun Ge, Lucas Böttcher, Tom Chou +1
How to allocate limited resources to projects that will yield the greatest long-term benefits is a problem that often arises in decision-making under uncertainty. For example, orga…