← Search

Blaise Delattre

9 accepted papers

2026

Certified Robustness under Heterogeneous Perturbations via Hybrid Randomized Smoothing

ICML 2026poster

Randomized smoothing provides strong, model-agnostic robustness certificates, but existing guarantees are limited to single modalities, treating continuous and discrete inputs in isolation. This limitation becomes critical in multimodal models, where decisions depend on cross-modal semantics and adv…

Cited by 0SourceScholar
2026

Scaling Direct Feedback Learning with Theoretical Guarantees

ICLR 2026poster

Deep neural networks rely on backpropagation (BP) for optimization, but its strictly sequential backward pass hinders parallelism and scalability. Direct Feedback Alignment (DFA) has been proposed as a promising approach for parallel learning of deep neural networks, relying on fixed random projecti…

Cited by 0SourceScholar
2026

Trading Complexity for Expressivity Through Structured Generalized Linear Token Mixing

ICML 2026poster

Token mixing layers play a key role in how language models can learn and generate long-range dependencies. Their efficiency relies on the necessary trade-off between decoding speed and the memory requirements, along with the cache size. Considering causal generation, this paper explores new trade-of…

Cited by 0SourceScholar
2025

Accelerated training through iterative gradient propagation along the residual path

ICLR 2025oral

Despite being the cornerstone of deep learning, backpropagation is criticized for its inherent sequentiality, which can limit the scalability of very deep models. Such models faced convergence issues due to vanishing gradient, later resolved using residual connections. Variants of these are now wide…

Cited by 0SourcePDFScholar
2025

Bridging the Theoretical Gap in Randomized Smoothing

AISTATS 2025poster

Randomized smoothing has become a leading approach for certifying adversarial robustness in machine learning models. However, a persistent gap remains between theoretical certified robustness and empirical robustness accuracy. This paper introduces a new framework that bridges this gap by leveraging…

Cited by 0SourcecodeScholar
2024

Chain and Causal Attention for Efficient Entity Tracking

EMNLP 2024main

This paper investigates the limitations of transformers for entity-tracking tasks in large language models. We identify a theoretical constraint, showing that transformers require at least log2 (n+1) layers to handle entity tracking with n state changes. To address this issue, we propose an efficien…

Cited by 1SourcePDFScholar
2024

The Lipschitz-Variance-Margin Tradeoff for Enhanced Randomized Smoothing

ICLR 2024poster

Real-life applications of deep neural networks are hindered by their unsteady predictions when faced with noisy inputs and adversarial attacks. The certified radius in this context is a crucial indicator of the robustness of models. However how to design an efficient classifier with an associated ce…

Cited by 5SourcePDFScholar
2023

A Unified Algebraic Perspective on Lipschitz Neural Networks

ICLR 2023top-25%

Important research efforts have focused on the design and training of neural networks with a controlled Lipschitz constant. The goal is to increase and sometimes guarantee the robustness against adversarial attacks. Recent promising techniques draw inspirations from different backgrounds to design 1…

2023

Efficient Bound of Lipschitz Constant for Convolutional Layers by Gram Iteration

ICML 2023poster

Since the control of the Lipschitz constant has a great impact on the training stability, generalization, and robustness of neural networks, the estimation of this value is nowadays a real scientific challenge. In this paper we introduce a precise, fast, and differentiable upper bound for the spectr…