LIX. Computer science laboratory of the École Polytechnique A joint research unit CNRS, École Polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France. LIX has been at the cutting edge of mathematics/computer science interactions since its inception, and contributes to research on the foundations of computer science. > Read more > read more discover LIX website > discover LIX website > Research areas Proofs and algorithms Modeling, simulation and learning Efficient and secure communications Data analytics and machine learning Computer mathematwics Key figures 59 permanent researchers 10 postdoctoral students 78 PhD students 133 publications in 2024 Computer and Communication Sciences The lab focuses on quality and security of software and communications to lay the groundwork for an efficient, reliable and secure digital world, and on computer science for artificial intelligence – from data science to symbolic approaches and certification of autonomous agents. LIX has also developed a wide range of productive collaborations with industry and its researchers are strongly committed to meeting the challenges facing society.