activity
20122026
most citedMulti-Agent Actor-Critic for Mixed Cooperative-Competitive Environments

1k citations · 2k across the 65 of their papers we have counts for

collaborators

75 papers

cs.LG2026

More with LESS -- Local Scene Representations for Tactile Imaging

Zohar Rimon, Elisei Shafer, Tal Tepper +4

Tactile imaging seeks to reconstruct the internal structure of soft objects through touch sensing, with applications in medical diagnosis and robotic manipulation. Recent self-supe…

cs.RO2026

Temporal Difference Calibration in Sequential Tasks: Application to Vision-Language-Action Models

Shelly Francis-Meretzki, Mirco Mutti, Yaniv Romano +1

Recent advances in vision-language-action (VLA) models for robotics have highlighted the importance of reliable uncertainty quantification in sequential tasks. However, assessing a…

cs.LG2026

Latent Particle World Models: Self-supervised Object-centric Stochastic Dynamics Modeling

Tal Daniel, Carl Qi, Dan Haramati +5

We introduce Latent Particle World Model (LPWM), a self-supervised object-centric world model scaled to real-world multi-object datasets and applicable in decision-making. LPWM aut…

cs.LG2026

Hierarchical Entity-centric Reinforcement Learning with Factored Subgoal Diffusion

Dan Haramati, Carl Qi, Tal Daniel +3

We propose a hierarchical entity-centric framework for offline Goal-Conditioned Reinforcement Learning (GCRL) that combines subgoal decomposition with factored structure to solve l…

cs.CR2025

MAD-DAG: Protecting Blockchain Consensus from MEV

Roi Bar-Zur, Aviv Tamar, Ittay Eyal

Blockchain security is threatened by selfish mining, where a miner (operator) deviates from the protocol to increase their revenue. Selfish mining is exacerbated by adverse conditi…

cs.LG2025

Toward Artificial Palpation: Representation Learning of Touch on Soft Bodies

Zohar Rimon, Elisei Shafer, Tal Tepper +2

Palpation, the use of touch in medical examination, is almost exclusively performed by humans. We investigate a proof of concept for an artificial palpation method based on self-su…

cs.RO2025

Blindfolded Experts Generalize Better: Insights from Robotic Manipulation and Videogames

Ev Zisselman, Mirco Mutti, Shelly Francis-Meretzki +2

Behavioral cloning is a simple yet effective technique for learning sequential decision-making from demonstrations. Recently, it has gained prominence as the core of foundation mod…

cs.LG2025

A Classification View on Meta Learning Bandits

Mirco Mutti, Jeongyeol Kwon, Shie Mannor +1

Contextual multi-armed bandits are a popular choice to model sequential decision-making. E.g., in a healthcare application we may perform various tests to asses a patient condition…

cs.RO2025

From Configuration-Space Clearance to Feature-Space Margin: Sample Complexity in Learning-Based Collision Detection

Sapir Tubul, Aviv Tamar, Kiril Solovey +1

Motion planning is a central challenge in robotics, with learning-based approaches gaining significant attention in recent years. Our work focuses on a specific aspect of these app…

cs.AI2024★ 2 cited

EC-Diffuser: Multi-Object Manipulation via Entity-Centric Behavior Generation

Carl Qi, Dan Haramati, Tal Daniel +2

Object manipulation is a common component of everyday tasks, but learning to manipulate objects from high-dimensional observations presents significant challenges. These challenges…

cs.LG2024

Test-Time Regret Minimization in Meta Reinforcement Learning

Mirco Mutti, Aviv Tamar

Meta reinforcement learning sets a distribution over a set of tasks on which the agent can train at will, then is asked to learn an optimal policy for any test task efficiently. In…

cs.AI2024

A Bayesian Approach to Online Planning

Nir Greshler, David Ben Eli, Carmel Rabinovitz +4

The combination of Monte Carlo tree search and neural networks has revolutionized online planning. As neural network approximations are often imperfect, we ask whether uncertainty…

cs.RO2024

RoboArm-NMP: a Learning Environment for Neural Motion Planning

Tom Jurgenson, Matan Sudry, Gal Avineri +1

We present RoboArm-NMP, a learning and evaluation environment that allows simple and thorough evaluations of Neural Motion Planning (NMP) algorithms, focused on robotic manipulator…

cs.RO2024★ 2 cited

Entity-Centric Reinforcement Learning for Object Manipulation from Pixels

Dan Haramati, Tal Daniel, Aviv Tamar

Manipulating objects is a hallmark of human intelligence, and an important task in domains such as robotics. In principle, Reinforcement Learning (RL) offers a general approach to…

cs.LG2024★ 2 cited

MAMBA: an Effective World Model Approach for Meta-Reinforcement Learning

Zohar Rimon, Tom Jurgenson, Orr Krupnik +2

Meta-reinforcement learning (meta-RL) is a promising framework for tackling challenging domains requiring efficient exploration. Existing meta-RL algorithms are characterized by lo…

cs.LG2023

Fine-Tuning Generative Models as an Inference Method for Robotic Tasks

Orr Krupnik, Elisei Shafer, Tom Jurgenson +1

Adaptable models could greatly benefit robotic agents operating in the real world, allowing them to deal with novel and varying conditions. While approaches such as Bayesian infere…

cs.LG2023★ 1 cited

TGRL: An Algorithm for Teacher Guided Reinforcement Learning

Idan Shenfeld, Zhang-Wei Hong, Aviv Tamar +1

Learning from rewards (i.e., reinforcement learning or RL) and learning to imitate a teacher (i.e., teacher-student learning) are two established approaches for solving sequential…

cs.LG2023

ContraBAR: Contrastive Bayes-Adaptive Deep RL

Era Choshen, Aviv Tamar

In meta reinforcement learning (meta RL), an agent seeks a Bayes-optimal policy -- the optimal policy when facing an unknown task that is sampled from some known task distribution.…

cs.CV2023★ 1 cited

DDLP: Unsupervised Object-Centric Video Prediction with Deep Dynamic Latent Particles

Tal Daniel, Aviv Tamar

We propose a new object-centric video prediction algorithm based on the deep latent particle (DLP) representation. In comparison to existing slot- or patch-based representations, D…

cs.LG2023

Explore to Generalize in Zero-Shot RL

Ev Zisselman, Itai Lavie, Daniel Soudry +1

We study zero-shot generalization in reinforcement learning-optimizing a policy on a set of training tasks to perform well on a similar but unseen test task. To mitigate overfittin…

cs.LG2023

Goal-Conditioned Supervised Learning with Sub-Goal Prediction

Tom Jurgenson, Aviv Tamar

Recently, a simple yet effective algorithm -- goal-conditioned supervised-learning (GCSL) -- was proposed to tackle goal-conditioned reinforcement-learning. GCSL is based on the pr…

cs.NI2023

A Deep Learning Perspective on Network Routing

Yarin Perry, Felipe Vieira Frujeri, Chaim Hoch +4

Routing is, arguably, the most fundamental task in computer networking, and the most extensively studied one. A key challenge for routing in real-world environments is the need to…

cs.RO2023

Online Tool Selection with Learned Grasp Prediction Models

Khashayar Rohanimanesh, Jake Metzger, William Richards +1

Deep learning-based grasp prediction models have become an industry standard for robotic bin-picking systems. To maximize pick success, production environments are often equipped w…

cs.LG2023★ 1 cited

Towards Deployable RL -- What's Broken with RL Research and a Potential Fix

Shie Mannor, Aviv Tamar

Reinforcement learning (RL) has demonstrated great potential, but is currently full of overhyping and pipe dreams. We point to some difficulties with current research which we feel…