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Main Authors: Icard, Benjamin, Sainero, Lila, Breton, Alice, Zve, Evangelia, Ganascia, Jean-Gabriel
Format: Preprint
Published: 2026
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Online Access:https://arxiv.org/abs/2605.10606
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author Icard, Benjamin
Sainero, Lila
Breton, Alice
Zve, Evangelia
Ganascia, Jean-Gabriel
author_facet Icard, Benjamin
Sainero, Lila
Breton, Alice
Zve, Evangelia
Ganascia, Jean-Gabriel
contents Large language models (LLMs) can convincingly imitate human writing styles, yet it remains unclear how much stylistic information is encoded in embeddings from any language model and retained after LLM rewriting. We investigate these questions in French, using a controlled literary dataset to quantify the effect of stylistic variation via changes in embedding dispersion. We observe that embeddings reliably capture authorial stylistic features and that these signals persist after rewriting, while also exhibiting LLM-specific patterns. These analytical results offer promising directions for authorship imitation detection in the era of language models.
format Preprint
id arxiv_https___arxiv_org_abs_2605_10606
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Measuring Embedding Sensitivity to Authorial Style in French: Comparing Literary Texts with Language Model Rewritings
Icard, Benjamin
Sainero, Lila
Breton, Alice
Zve, Evangelia
Ganascia, Jean-Gabriel
Computation and Language
Artificial Intelligence
Large language models (LLMs) can convincingly imitate human writing styles, yet it remains unclear how much stylistic information is encoded in embeddings from any language model and retained after LLM rewriting. We investigate these questions in French, using a controlled literary dataset to quantify the effect of stylistic variation via changes in embedding dispersion. We observe that embeddings reliably capture authorial stylistic features and that these signals persist after rewriting, while also exhibiting LLM-specific patterns. These analytical results offer promising directions for authorship imitation detection in the era of language models.
title Measuring Embedding Sensitivity to Authorial Style in French: Comparing Literary Texts with Language Model Rewritings
topic Computation and Language
Artificial Intelligence
url https://arxiv.org/abs/2605.10606