activity
20162025
most citedDynamics of Evaporating Respiratory Droplets in the Vicinity of Vortex Dipoles

20 citations · 115 across the 34 of their papers we have counts for

collaborators

37 papers

cs.GT2025

Learning Local Stackelberg Equilibria from Repeated Interactions with a Learning Agent

Nivasini Ananthakrishnan, Yuval Dagan, Kunhe Yang

Motivated by the question of how a principal can maximize its utility in repeated interactions with a learning agent, we study repeated games between an principal and an agent empl…

cs.GT2025

Computational Intractability of Strategizing against Online Learners

Angelos Assos, Yuval Dagan, Nived Rajaraman

Online learning algorithms are widely used in strategic multi-agent settings, including repeated auctions, contract design, and pricing competitions, where agents adapt their strat…

cs.GT2025

Fixed Point Computation: Beating Brute Force with Smoothed Analysis

Idan Attias, Yuval Dagan, Constantinos Daskalakis +2

We propose a new algorithm that finds an -approximate fixed point of a smooth function from the -dimensional unit ball to itself. We use the general framew…

cs.LG2024

Dimension-free Private Mean Estimation for Anisotropic Distributions

Yuval Dagan, Michael I. Jordan, Xuelin Yang +2

We present differentially private algorithms for high-dimensional mean estimation. Previous private estimators on distributions over suffer from a curse of dimension…

quant-ph2024

Quantum Particle Statistics in Classical Shallow Water Waves

Idan Ceausu, Yuval Dagan

We present a new hydrodynamic analogy of nonrelativistic quantum particles in potential wells. Similarities between a real variant of the Schrödinger equation and gravity-capillary…

physics.flu-dyn2024★ 4 cited

Direct numerical simulation of particle clustering and turbulence modulation: an Eulerian approach

Ajay Dhankarghare, Yuval Dagan

We present a new Eulerian framework for the computation of turbulent compressible multiphase channel flows, specifically to assess turbulence modulation by dispersed particulate ma…

cs.GT2024

Maximizing utility in multi-agent environments by anticipating the behavior of other learners

Angelos Assos, Yuval Dagan, Constantinos Daskalakis

Learning algorithms are often used to make decisions in sequential decision-making environments. In multi-agent settings, the decisions of each agent can affect the utilities/losse…

cs.LG2024

Breaking the Barrier for Sequential Calibration

Yuval Dagan, Constantinos Daskalakis, Maxwell Fishelson +3

A set of probabilistic forecasts is calibrated if each prediction of the forecaster closely approximates the empirical distribution of outcomes on the subset of timesteps where tha…

physics.flu-dyn2024★ 5 cited

On the early stages of vapor bubble growth: From the surface-tension to the inertial regime

Orr Avni, Eran Sher, Yuval Dagan

This paper presents a new analytical model for the early stages of vapor bubble growth in superheated liquids. The model bridges a gap in current knowledge by focusing on the surfa…

cs.LG2023★ 2 cited

From External to Swap Regret 2.0: An Efficient Reduction and Oblivious Adversary for Large Action Spaces

Yuval Dagan, Constantinos Daskalakis, Maxwell Fishelson +1

We provide a novel reduction from swap-regret minimization to external-regret minimization, which improves upon the classical reductions of Blum-Mansour [BM07] and Stolz-Lugosi [SL…

quant-ph2023

Hydrodynamically Inspired Pilot-Wave Theory: An Ensemble Interpretation

Yuval Dagan

This chapter explores a deterministic hydrodynamically-inspired ensemble interpretation for free relativistic particles, following the original pilot wave theory conceptualized by…

cs.LG2023

Online Learning and Solving Infinite Games with an ERM Oracle

Angelos Assos, Idan Attias, Yuval Dagan +2

While ERM suffices to attain near-optimal generalization error in the stochastic learning setting, this is not known to be the case in the online learning setting, where algorithms…

cs.LG2023★ 10 cited

Ambient Diffusion: Learning Clean Distributions from Corrupted Data

Giannis Daras, Kulin Shah, Yuval Dagan +3

We present the first diffusion-based framework that can learn an unknown distribution using only highly-corrupted samples. This problem arises in scientific applications where acce…

cs.LG2023★ 7 cited

Consistent Diffusion Models: Mitigating Sampling Drift by Learning to be Consistent

Giannis Daras, Yuval Dagan, Alexandros G. Dimakis +1

Imperfect score-matching leads to a shift between the training and the sampling distribution of diffusion models. Due to the recursive nature of the generation process, errors in p…

cs.LG2022

EM's Convergence in Gaussian Latent Tree Models

Yuval Dagan, Constantinos Daskalakis, Anthimos Vardis Kandiros

We study the optimization landscape of the log-likelihood function and the convergence of the Expectation-Maximization (EM) algorithm in latent Gaussian tree models, i.e. tree-stru…

cs.LG2022★ 1 cited

Learning and Testing Latent-Tree Ising Models Efficiently

Davin Choo, Yuval Dagan, Constantinos Daskalakis +1

We provide time- and sample-efficient algorithms for learning and testing latent-tree Ising models, i.e. Ising models that may only be observed at their leaf nodes. On the learning…

physics.flu-dyn2022★ 1 cited

A generalized theory of Brownian particle diffusion in shear flows

Nan Wang, Yuval Dagan

This study presents a generalized theory for the diffusion of Brownian particles in shear flows. By solving the Langevin equations using stochastic instead of classical calculus, w…

cs.LG2022★ 1 cited

Score-Guided Intermediate Layer Optimization: Fast Langevin Mixing for Inverse Problems

Giannis Daras, Yuval Dagan, Alexandros G. Dimakis +1

We prove fast mixing and characterize the stationary distribution of the Langevin Algorithm for inverting random weighted DNN generators. This result extends the work of Hand and V…

physics.flu-dyn2022

Generalized stability theory of polydisperse particle-laden flows. Part1. Channel flow

Zhixuan Liu, Yuval Dagan

We present a generalized hydrodynamic stability theory for interacting particles in polydisperse particle-laden flows. The addition of dispersed particulate matter to a clean flow…

stat.ML2022★ 2 cited

Smoothed Online Learning is as Easy as Statistical Learning

Adam Block, Yuval Dagan, Noah Golowich +1

Much of modern learning theory has been split between two regimes: the classical offline setting, where data arrive independently, and the online setting, where data arrive adversa…

physics.flu-dyn2022★ 13 cited

Dispersion of Free-Falling Saliva Droplets by Two-Dimensional Vortical Flows

Orr Avni, Yuval Dagan

The dispersion of respiratory saliva droplets by indoor wake structures may enhance the transmission of various infectious diseases, as the wake spreads virus-laden droplets across…

physics.flu-dyn2021★ 20 cited

Dynamics of Evaporating Respiratory Droplets in the Vicinity of Vortex Dipoles

Orr Avni, Yuval Dagan

A new mathematical analysis of exhaled respiratory droplet dynamics and settling distances in the vicinity of vortical environments is presented. Recent experimental and theoretica…

cs.LG2021

Statistical Estimation from Dependent Data

Yuval Dagan, Constantinos Daskalakis, Nishanth Dikkala +2

We consider a general statistical estimation problem wherein binary labels across different observations are not independent conditioned on their feature vectors, but dependent, ca…

stat.ML2021★ 4 cited

Majorizing Measures, Sequential Complexities, and Online Learning

Adam Block, Yuval Dagan, Sasha Rakhlin

We introduce the technique of generic chaining and majorizing measures for controlling sequential Rademacher complexity. We relate majorizing measures to the notion of fractional c…