Sergey Efimov

✉ eltaurus@inbox.lt

Theoretical physicist, CG artist, and software developer. I enjoy breaking down complex topics into accessible, intuitive ideas and care deeply about visual clarity in communication. Always happy to help people learn new concepts and skills.

Downloads CV_Academic.pdf CV_Software.pdf CV_CG.pdf CV_full.pdf

Open-source Projects

  1. Anki Templates

    Customizable interactive flashcard templates with a support add-on for automated setup and data management

  2. Chaos and Cats

    University course on mathematical modelling and computer graphics for scientific visualisation

  3. pLTlib

    Low-level JavaScript framework for interactive mathematical illustrations with minimal setup and maximum flexibility

  4. Squirrels and Space

    A collection of independent math and physics-related articles

  5. Memrise downloader

    Google Chrome extension for downloading community-created Memrise courses with all associated media

  6. GLSL renderer

    Shader editor and renderer focused on deterministic, frame‑by‑frame output instead of real-time performance

Selected Publications

  1. Efimov S, Pritykin D, and Sidorenko V. Long-term attitude dynamics of space debris in Sun-synchronous orbits: Cassini cycles and chaotic stabilization. Celestial Mechanics and Dynamical Astronomy 130(10):62, 2018.
  2. Sergey Efimov and Vladislav Sidorenko. An analytically treatable model of longterm dynamics in a mean motion resonance with coexisting resonant modes. Celestial Mechanics and Dynamical Astronomy 132:27, 2020.
  3. Dmitry Pritykin, Sergey Efimov, and Vladislav Sidorenko. Defunct Satellites in Nearly Polar Orbits: Long-term Evolution of Attitude Motion. Open Astronomy 27(1):264-277, 2018.