# Plenary Invited Lectures

*Fifty Years with Geometric Algebra: a retrospective*

(David **Hestenes**)
[Keynote Lecture]

*The Odyssey of hypercomplex numbers*

(Pierre **Anglès**)
[Summary]

*Geometric Algebra for Cybernetics*

(Eduardo **Bayro-Corrochano**)
[Summary]

*Projective Transformations as Versors*

(Leo **Dorst**)
[Summary]

*Fourier Transformations in Conformal Geometric Algebra*

(Eckhard **Hitzer**)
[Summary]

*Geometric Algebra as a unifying language for Physics & Engineering
and its use in the study of Gravity*

(Anthony

**Lasenby**) [Summary]

*Concept of the Lie Derivative of Spinor Fields. A Geometric Motivated Approach*

(Waldyr A. **Rodrigues, Jr.**)
[Summary]

*MATLAB toolbox for Clifford Algebras*

(Steve **Sangwine**)
[Summary]