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A. Zaytsev

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#machine learning Preprint Oct 2026

Recursive Offline Distillation via Entropy Gain Sampling and Answer Mixing

This work proposes a recursive offline distillation method combining two components: entropy-based sampling for selective distillation and answer mixing, and a comparative analysis of methods to generate and normalize distillation traces.

Andrey Goncharov, Daniil Vyazhev, С. С. Епанов et al. · 0 citations
#machine learning Preprint Oct 2026

Reliable Risk Estimation with Kernel Mean Matching under Dependent Sampling

Kernel Mean Matching (KMM) estimates risk under covariate shift by reweighting labelled source samples so that their kernel mean embedding matches that of unlabeled target samples. Existing finite-sample guarantees are usually stated for independent samples, although many applications involve temporal, spatial, or clus...

A. Zaytsev, Diana Koldasbayeva, Egor Serov · 0 citations
#artificial intelligence Preprint Oct 2026

MercerFlow: Flow Matching in a Kernel-Induced Latent Space for Probabilistic Forecasting

Recent work has shown that probabilistic flow matching for time series forecasting benefits from a data-matched prior. The resulting prior introduces local correlations, which a sequential architecture usually absorbs: a recurrent neural network (RNN), a structured state-space model (S4), or a Transformer. However, suc...

Ilya Kuleshov, Egor Serov, A. Zaytsev · 0 citations
Preprint Aug 2026

Batch Size or Negatives? A Selection Rule for Memory-Constrained Recommender Training

Large-scale neural recommender systems are typically trained with a softmax cross-entropy objective over the full item vocabulary. For a typical large number of possible items $K$, the final classification layer dominates memory, requiring $O(nK)$ logits and gradients to materialize for a batch of $n$ examples. Sampled...

A. Sabitov, D. P. Volkov, A. Zaytsev · 0 citations
Preprint Aug 2026

GENADA: efficient generative time series adversarial attack framework

A GENerative ADversarial Attack (GENADA) is proposed that learns a generative model to produce deceptive perturbations directly in a single forward pass and a procedure to train it, and achieves comparable attack quality to strong baselines while requiring less time to generate perturbations during inference.

M.A. Baronov, D. Vorobev, M. Rusanova et al. · 0 citations

INTRYGUE: Induction-Aware Entropy Gating for Reliable RAG Uncertainty Estimation

INTRYGUE (Induction-Aware Entropy Gating for Uncertainty Estimation), a training-free, mechanistically grounded method that gates predictive entropy by an attention-based estimate of induction-head activity, is proposed, suggesting that hallucination detection in RAG benefits from combining predictive uncertainty with...

Alexandra Kuleshova, Andrei Volodichev, Daria Kotova et al. · 0 citations
#natural language process... Preprint Aug 2026

BEAR-Bench: A Bilingual Enterprise and Academic Reasoning Benchmark for Multimodal Models

BEAR-Bench (Bilingual Enterprise and Academic Reasoning), a self-contained, complex English-and-Russian benchmark comprising 1000 human-annotated questions based on text-rich business and scientific documents, is introduced, and existing hallucination detection methods are compared.

L. Chubarova, A. Kuleshova, D. P. Volkov et al. · 0 citations

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