activity
20242026
collaborators

10 papers

cs.LG2026

Controlling Refusal Behavior of LLMs via Stiefel-Constrained Rotation Steering

Kirill Bunin, Dmitry Bylinkin, Vladimir Aletov +3

Activation steering has emerged as a lightweight approach for controlling model refusal at inference time. A growing line of research explores trainable rotations of activations to…

cs.LG2026

Leveraging Association Context Retrieval in Knowledge Edit- ing to Build White-Box Attacks on LLMs

Roman Maksimov, Vladimir Aletov, Vladimir Solodkin +3

As large language models (LLMs) are granted increasing autonomy, it is essential to investigate methods that can induce unsafe behavior. We propose a novel white-box attack inspire…

cs.CE2026

The Kuramoto Neural Operator: Learning to Solve PDEs via Coupled Oscillator Dynamics

Petr Badolia, Leonid Obukhov, Dmitry Bylinkin +1

Operator learning is a rapidly advancing area of computational science. It is particularly well suited to problems where a partial differential equation (PDE) must be solved repeat…

cs.LG2026

Zero-order Parameter-free Optimization for LMO-based Methods: Novel Approach for Efficient Fine-tuning

Dmitriy Bystrov, Daniil Medyakov, Dmitry Bylinkin +1

Fine-tuning large language models (LLMs) has become a central application of modern optimization, enabling pretrained models to adapt to diverse downstream tasks and domain-specifi…

cs.LG2026

Scalable Knowledge Editing for Mixture-of-Experts LLMs via Tensor-Structured Updates

Roman Maksimov, Vladimir Aletov, Dmitry Bylinkin +3

Knowledge editing (KE) provides a lightweight alternative to repeated fine-tuning of LLMs. However, most existing KE methods target dense feed-forward layers, while modern LLMs inc…

math.OC2026

Accelerated Methods with Complexity Separation Under Data Similarity for Federated Learning Problems

Dmitry Bylinkin, Sergey Skorik, Dmitriy Bystrov +3

Heterogeneity within data distribution poses a challenge in many modern federated learning tasks. We formalize it as an optimization problem involving a computationally heavy compo…

cs.LG2025

Communication-Efficient Federated Learning with Adaptive Number of Participants

Sergey Skorik, Vladislav Dorofeev, Gleb Molodtsov +4

Rapid scaling of deep learning models has enabled performance gains across domains, yet it introduced several challenges. Federated Learning (FL) has emerged as a promising framewo…

cs.LG2025

Enhancing Stability of Physics-Informed Neural Network Training Through Saddle-Point Reformulation

Dmitry Bylinkin, Mikhail Aleksandrov, Savelii Chezhegov +1

Physics-informed neural networks (PINNs) have gained prominence in recent years and are now effectively used in a number of applications. However, their performance remains unstabl…

math.OC2024

Accelerated Methods with Compressed Communications for Distributed Optimization Problems under Data Similarity

Dmitry Bylinkin, Aleksandr Beznosikov

In recent years, as data and problem sizes have increased, distributed learning has become an essential tool for training high-performance models. However, the communication bottle…

math.OC2024

Accelerated Stochastic ExtraGradient: Mixing Hessian and Gradient Similarity to Reduce Communication in Distributed and Federated Learning

Dmitry Bylinkin, Kirill Degtyarev, Aleksandr Beznosikov

Modern realities and trends in learning require more and more generalization ability of models, which leads to an increase in both models and training sample size. It is already di…