13 citations · 34 across the 5 of their papers we have counts for
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cs.SI2021★ 13 cited
Allocating Stimulus Checks in Times of Crisis
Marios Papachristou, Jon Kleinberg
We study the problem of allocating bailouts (stimulus, subsidy allocations) to people participating in a financial network subject to income shocks. We build on the financial clear…
cs.SI2021
Sublinear Domination and Core-Periphery Networks
Marios Papachristou
In this paper we devise a generative random network model with core-periphery properties whose core nodes act as sublinear dominators, that is, if the network has nodes, the co…
cs.LG2021★ 8 cited
Truncated Log-concave Sampling with Reflective Hamiltonian Monte Carlo
Apostolos Chalkis, Vissarion Fisikopoulos, Marios Papachristou +1
We introduce Reflective Hamiltonian Monte Carlo (ReHMC), an HMC-based algorithm, to sample from a log-concave distribution restricted to a convex body. We prove that, starting from…