Let the flows tell: Solving graph combinatorial problems with gflownets

D Zhang, H Dai, N Malkin… - Advances in neural …, 2023 - proceedings.neurips.cc
Combinatorial optimization (CO) problems are often NP-hard and thus out of reach for exact
algorithms, making them a tempting domain to apply machine learning methods. The highly …

Amortizing intractable inference in large language models

EJ Hu, M Jain, E Elmoznino, Y Kaddar, G Lajoie… - arxiv preprint arxiv …, 2023 - arxiv.org
Autoregressive large language models (LLMs) compress knowledge from their training data
through next-token conditional distributions. This limits tractable querying of this knowledge …

Generative flow networks as entropy-regularized rl

D Tiapkin, N Morozov, A Naumov… - International …, 2024 - proceedings.mlr.press
The recently proposed generative flow networks (GFlowNets) are a method of training a
policy to sample compositional discrete objects with probabilities proportional to a given …

Diffusion generative flow samplers: Improving learning signals through partial trajectory optimization

D Zhang, RTQ Chen, CH Liu, A Courville… - arxiv preprint arxiv …, 2023 - arxiv.org
We tackle the problem of sampling from intractable high-dimensional density functions, a
fundamental task that often appears in machine learning and statistics. We extend recent …

Discrete probabilistic inference as control in multi-path environments

T Deleu, P Nouri, N Malkin, D Precup… - arxiv preprint arxiv …, 2024 - arxiv.org
We consider the problem of sampling from a discrete and structured distribution as a
sequential decision problem, where the objective is to find a stochastic policy such that …

Distributional gflownets with quantile flows

D Zhang, L Pan, RTQ Chen, A Courville… - arxiv preprint arxiv …, 2023 - arxiv.org
Generative Flow Networks (GFlowNets) are a new family of probabilistic samplers where an
agent learns a stochastic policy for generating complex combinatorial structure through a …

PhyloGFN: Phylogenetic inference with generative flow networks

M Zhou, Z Yan, E Layne, N Malkin, D Zhang… - arxiv preprint arxiv …, 2023 - arxiv.org
Phylogenetics is a branch of computational biology that studies the evolutionary
relationships among biological entities. Its long history and numerous applications …

On diffusion models for amortized inference: Benchmarking and improving stochastic control and sampling

M Sendera, M Kim, S Mittal, P Lemos… - arxiv preprint arxiv …, 2024 - arxiv.org
We study the problem of training diffusion models to sample from a distribution with a given
unnormalized density or energy function. We benchmark several diffusion-structured …

Improved off-policy training of diffusion samplers

M Sendera, M Kim, S Mittal, P Lemos… - The Thirty-Eighth …, 2024 - research.ed.ac.uk
We study the problem of training diffusion models to sample from a distribution with a given
unnormalized density or energy function. We benchmark several diffusion-structured …

Expected flow networks in stochastic environments and two-player zero-sum games

M Jiralerspong, B Sun, D Vucetic, T Zhang… - arxiv preprint arxiv …, 2023 - arxiv.org
Generative flow networks (GFlowNets) are sequential sampling models trained to match a
given distribution. GFlowNets have been successfully applied to various structured object …