Description The nontrivial lower bounds of the spectral gap for discrete Laplacian of the basis-exchange graph of a Matroid have algorithmic importance. First, we will present some background...
Description Abstract We study the problem of detecting coordinated free text campaigns in large-scale social media. These campaigns - ranging from coordinated spam messages to promotional and...
Event Topic: Computational Mathematics & Statistics
SpeakerDavid DegrasDePaul Universityhttp://depaul.academia.edu/DavidDegras Description In repeated surveys, rotation sampling is a method that replaces a fraction of the sample at each survey occasion...
Systemic Risk Description Tao Chen Title: Dynamic Acceptability Indices Mr. Tao Chen will discuss concave distortions in dynamic case. Yu-Sin Chang Title: Systemic Risk Ms. Yu-Sin Chang will report...
Event Topic: Computational Mathematics & Statistics
SpeakerAlexander (Sasha) GutfraindUniversity of Illinois at Chicagohttp://gutfraind.com/ Description Graphs (networks) are widely used in science and technology to represent relationships between...
Systemic Risk Description Tao Chen Title: Dynamic Acceptability Indices Mr. Tao Chen will report the paper ”On Consistent Valuations Based on Distorted Expectations: from Multinomial Random Walks to...
SpeakerWenjun YingShanghai Jiao Tong Universityhttp://www.math.sjtu.edu.cn/faculty/wying/ Description In this talk, I will present a kernel-free boundary integral (KFBI) method for the variable...
Event Topic: Computational Mathematics & Statistics
