91 citations · 481 across the 44 of their papers we have counts for
18 papers · 1 filter
Gossip over Holonomic Graphs
Xudong Chen, Mohamed-Ali Belabbas, Ji Liu
A gossip process is an iterative process in a multi-agent system where only two neighboring agents communicate at each iteration and update their states. The neighboring condition…
Controlling a Networked SIS Model via a Single Input over Undirected Graphs
Dan Wang, Ji Liu, Philip E. Paré +4
This paper formulates and studies the problem of controlling a networked SIS model using a single input in which the network structure is described by a connected undirected graph.…
A Private and Finite-Time Algorithm for Solving a Distributed System of Linear Equations
Shripad Gade, Ji Liu, Nitin H. Vaidya
This paper studies a system of linear equations, denoted as , which is horizontally partitioned (rows in and ) and stored over a network of devices connected in…
Analysis of a Nonlinear Opinion Dynamics Model with Biased Assimilation
Weiguo Xia, Mengbin Ye, Ji Liu +2
This paper analyzes a nonlinear opinion dynamics model which generalizes the DeGroot model by introducing a bias parameter for each individual. The original DeGroot model is recove…
Analysis and Control of a Continuous-Time Bi-Virus Model
Ji Liu, Philip E. Pare, Angelia Nedich +3
This paper studies a distributed continuous-time bi-virus model in which two competing viruses spread over a network consisting of multiple groups of individuals. Limiting behavior…
Analysis, Identification, and Validation of Discrete-Time Epidemic Processes
Philip E. Pare, Ji Liu, Carolyn L. Beck +2
Models of spread processes over non-trivial networks are commonly motivated by modeling and analysis of biological networks, computer networks, and human contact networks. However,…
A Game-Theoretic Framework for Multi-Period-Multi-Company Demand Response Management in the Smart Grid
Khaled Alshehri, Ji Liu, Xudong Chen +1
By utilizing tools from game theory, we develop a novel multi-period-multi-company demand response framework considering the interactions between companies (sellers of energy) and…
On Convergence Rate of a Continuous-Time Distributed Self-Appraisal Model with Time-Varying Relative Interaction Matrices
Weiguo Xia, Ji Liu, Tamer Basar +1
This paper studies a recently proposed continuous-time distributed self-appraisal model with time-varying interactions among a network of individuals which are characterized by…
Multi-Competitive Viruses over Static and Time--Varying Networks
Philip E. Paré, Ji Liu, Carolyn L. Beck +2
Epidemic processes are used commonly for modeling and analysis of biological networks, computer networks, and human contact networks. The idea of competing viruses has been explore…
Exponential Convergence of a Distributed Algorithm for Solving Linear Algebraic Equations
Ji Liu, A. Stephen Morse, Angelia Nedich +1
In a recent paper, a distributed algorithm was proposed for solving linear algebraic equations of the form assuming that the equation has at least one solution. The equati…
Request-Based Gossiping without Deadlocks
Ji Liu, Shaoshuai Mou, A. Stephen Morse +2
By the distributed averaging problem is meant the problem of computing the average value of a set of numbers possessed by the agents in a distributed network using only communicati…
On the Analysis of a Continuous-Time Bi-Virus Model
Ji Liu, Philip E. Paré, Angelia Nedić +3
Motivated by the spread of opinions on different social networks, we study a distributed continuous-time bi-virus model for a system of groups of individuals. An in-depth stability…
Exponential Convergence of the Discrete-Time Altafini Model
Ji Liu, Xudong Chen, Tamer Basar +1
This paper considers the discrete-time version of Altafini's model for opinion dynamics in which the interaction among a group of agents is described by a time-varying signed digra…
Products of Generalized Stochastic Sarymsakov Matrices
Weiguo Xia, Ji Liu, Ming Cao +2
In the set of stochastic, indecomposable, aperiodic (SIA) matrices, the class of stochastic Sarymsakov matrices is the largest known subset (i) that is closed under matrix multipli…
A Stackelberg Game for Multi-Period Demand Response Management in the Smart Grid
Khaled Alshehri, Ji Liu, Xudong Chen +1
This paper studies a multi-period demand response management problem in the smart grid where multiple utility companies compete among themselves. The user-utility interactions are…
On a Modified DeGroot-Friedkin Model of Opinion Dynamics
Zhi Xu, Ji Liu, Tamer Basar
This paper studies the opinion dynamics that result when individuals consecutively discuss a sequence of issues. Specifically, we study how individuals' self-confidence levels evol…
Lyapunov Approach to Consensus Problems
Angelia Nedich, Ji Liu
This paper investigates the weighted-averaging dynamic for unconstrained and constrained consensus problems. Through the use of a suitably defined adjoint dynamic, quadratic Lyapun…
Design and Analysis of Distributed Averaging with Quantized Communication
Mahmoud El Chamie, Ji Liu, Tamer Başar
Consider a network whose nodes have some initial values, and it is desired to design an algorithm that builds on neighbor to neighbor interactions with the ultimate goal of converg…