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Violeta Kastreva

@vkastreva.bsky.social
19 followers 15 following 2 posts

Research Intern at ETH Zürich

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Violeta Kastreva @vkastreva.bsky.social · 20/11/2025
Thrilled to share my first paper! 📄 We prove optimal tokenization is NP-hard on bounded alphabets (like bytes)—even unary for direct tokenization! Big thanks @tpimentel.bsky.social, @philipwitti.bsky.social & Dennis Komm for the mentorship! Best birthday gift. 🎂 arxiv.org/abs/2511.15709
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