Liegg: Studying learned lie group generators

A Moskalev, A Sepliarskaia… - Advances in Neural …, 2022 - proceedings.neurips.cc
Symmetries built into a neural network have appeared to be very beneficial for a wide range
of tasks as it saves the data to learn them. We depart from the position that when symmetries …

Federated neural bandits

Z Dai, Y Shu, A Verma, FX Fan, BKH Low… - arXiv preprint arXiv …, 2022 - arxiv.org
Recent works on neural contextual bandits have achieved compelling performances due to
their ability to leverage the strong representation power of neural networks (NNs) for reward …

Improved convergence rates for sparse approximation methods in kernel-based learning

S Vakili, J Scarlett, D Shiu… - … on Machine Learning, 2022 - proceedings.mlr.press
Kernel-based models such as kernel ridge regression and Gaussian processes are
ubiquitous in machine learning applications for regression and optimization. It is well known …

Training-free neural active learning with initialization-robustness guarantees

A Hemachandra, Z Dai, J Singh… - International …, 2023 - proceedings.mlr.press
Existing neural active learning algorithms have aimed to optimize the predictive
performance of neural networks (NNs) by selecting data for labelling. However, other than a …

PINNACLE: PINN Adaptive ColLocation and Experimental points selection

GKR Lau, A Hemachandra, SK Ng… - arXiv preprint arXiv …, 2024 - arxiv.org
Physics-Informed Neural Networks (PINNs), which incorporate PDEs as soft constraints,
train with a composite loss function that contains multiple training point types: different types …

Mind the spikes: Benign overfitting of kernels and neural networks in fixed dimension

M Haas, D Holzmüller, U Luxburg… - Advances in Neural …, 2024 - proceedings.neurips.cc
The success of over-parameterized neural networks trained to near-zero training error has
caused great interest in the phenomenon of benign overfitting, where estimators are …

Kernelized reinforcement learning with order optimal regret bounds

S Vakili, J Olkhovskaya - Advances in Neural Information …, 2024 - proceedings.neurips.cc
Modern reinforcement learning (RL) has shown empirical success in various real world
settings with complex models and large state-action spaces. The existing analytical results …

Delayed feedback in kernel bandits

S Vakili, D Ahmed, A Bernacchia… - … on Machine Learning, 2023 - proceedings.mlr.press
Black box optimisation of an unknown function from expensive and noisy evaluations is a
ubiquitous problem in machine learning, academic research and industrial production. An …

Provably and practically efficient neural contextual bandits

S Salgia - International Conference on Machine Learning, 2023 - proceedings.mlr.press
We consider the neural contextual bandit problem. In contrast to the existing work which
primarily focuses on ReLU neural nets, we consider a general set of smooth activation …

Sample complexity of kernel-based q-learning

SY Yeh, FC Chang, CW Yueh, PY Wu… - International …, 2023 - proceedings.mlr.press
Modern reinforcement learning (RL) often faces an enormous state-action space. Existing
analytical results are typically for settings with a small number of state-actions, or simple …