La maison d'Hades

Un site pour les amateurs de physique mathématique

The underworldof the Hades house

© Thierry PERIAT

The rich underworld of the house of Hades

The river flows more or less slowly. An irresistible force guides the ship of our life: time. During the journey, strange colorful specters sway in the sky. They send messages that we have the greatest difficulty to understand.

How long should we work actually?

revolution brings only pains and deaths

Open your mind

Don't forget them

Is it possible ?

What to care about if you start a career

© Thierry PERIAT

Last modified on the

27th of October 2026

  • The-(E)-Question
    • Concerning hades-home
    • The underworld of hades-home
    • The crucible of Hades-home
      • The cubes
      • Deforming-the-tensor-products
      • Deformed Lie products
      • Decomposing-the-cross-products
        • Trivial decompositions
        • Methods
        • Taylor's developments
        • vector functions
      • Quaternions-GB
      • Electromagnetic-fields
        • Invariants
        • The second invariant
        • The second invariant: new approach
      • Anti-commutativity
      • Quaternions and complex numbers
      • First-step
      • A quaternionic vacuum
    • Legal notice
Working time
Evolution is better than revolution
The small boxes
Old people
Independent researcher
Guide for future researchers
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