The University of Massachusetts Amherst

Research

Funded research

SCH: INT: Simulation and decision-analysis algorithms for integrated modeling of diseases- A Healthy Lives For All approach: LINK, Funding: NSF 1915481, 1/1/2020 – 12/31/2023 ($1,200,000) LINK (PI: Gopalappa; Co-PIs: Haas,  Balasubramanian, Robinson)

Progression and Transmission of HIV (PATH) model: LINK Funding: National Institutes of Health, R01AI127236, 07/15/2017 – 06/30/2022, (PI: Gopalappa)

Decision-analytic tool for early detection of cancer in low and middle income countries: LINK Funding: World Health Organization (completed)

Global HIV: LINK 

ACCESS MODELS

ONLINE INTERACTIVE TOOLS FOR VISUALIZING PATH MODEL RESULTS
Opens in Firefox or Microsoft Edge (does not open in Chrome).

1. People living with HIV (CLICK) 
(Note: currently plots hypothetical results; data under preparation) 

2. HIV incidence (CLICK) 
(Note: currently plots hypothetical results; data under preparation) 

Methods

Agent-based simulation, graph theory, network modeling, machine learning, Markov processes, simulation-based control optimization, dynamic programming, numerical parametric optimization.