Applied Geometric Algebras in Computer Science and Engineering 2024

August 27-29, 2024, Amsterdam


Programme August 27-29, 2024

The conference will consist three days of single sessions, on subjects related to the conference topics.

  Tuesday 27    Wednesday 28    Thursday 29
08:30     Registration   
09:00     Computing Vision & Robotics    Mathematical Aspects 2
11:00     Coffee    Coffee    Coffee
11:15     STA Physics    Control & GIS    Electro-Magnetism
13:15     Lunch    Lunch    Lunch
14:15     Machine Learning 1    Machine Learning 2    Visualization/Education
15:45     Tea    Tea    Tea
16:00     Mathematical Aspects 1    Pitches, Posters/Demos    Computational Geometry
18:45     Reception/Boat Tour    Conference Dinner Awards, Next venue

There will be regular talks during the day, and a Wednesday afternoon session of posters and demonstrations.

The social programme includes a canal boat ride with welcome drinks on the Tuesday evening, and a conference dinner on Wednesday (optional, at additional charge, an sonly of pre-reserved by August 1).

At the closing session on Thursday , The David Hestenes Promising Young Researcher Award will be handed out, as well as the Waldyr R. Rodrigues Jr. Best Poster prize, and we hope to announce the venue for the next AGACSE in 2027.

Schedule per Session

  • Click on SPEAKER for a summary.txt.
  • Click on TITLE for the 4-page abstract.pdf.

Tuesday August 27, 2024: COMPUTING (Chair Hongbo Li)

09:00-09:30 Chris Doran
Cambridge University
   Multi-algebra Fluency
09:30-10:00 Martin Roelfs
Flanders Make, University of Antwerp
   The Willing Kingdon Clifford Algebra Library
10:00-10:30 Silvia Franchini
National Research Council of Italy
   A FPGA Coprocessor for Accelerating Geometric Algebra Algorithms based on the GAPPCO Design
10:30-11:00 Steven De Keninck
University of Amsterdam
   Look, Ma, No Matrices!

Tuesday August 27, 2024: STA PHYSICS (Chair Leo Dorst)

11:15-11:45 Anthony Lasenby
University of Cambridge
   A Spacetime Algebra Guide to Octonions and the Symmetry Groups of Particle Physics
11:45-12:15 Greg Wilmot
University of Adelaide
   Construction of Exceptional Lie Algebra G2 and Non-Associative Algebras using Clifford Algebra
11:45-12:15 Sofia Rumyantseva
HSE University
   On multidimensional Dirac-Hestenes equation
12:15-12:45 James Chappell
University of Adelaide
   A Multivector Description of Spacetime
(attendance not confirmed)

Tuesday August 27, 2024: MACHINE LEARNING 1 (Chair Chris Doran)

14:15-14:45 David Ruhe
University of Amsterdam
   From Clifford Neural Layers to Clifford Group Equivariant Networks
14:45-15:15 Yuxin Yao
University of Cambridge
   Simplifying and Generalising Equivariant Geometric Algebra Networks
14:45-15:15 Eduardo Bayro-Corrochano
Politechnical University of Posnan, Poland
   Coordinates to Color Quaternion Neural Network (CoCoQNN) and Coordinates to Color Quaternion Convolutional Neural Network (CoCoQCNN) for Image Processing

Tuesday August 27, 2024 MATHEMATICAL ASPECTS 1 (Chair Petr Vašík)

16:00-16:30 Pierre-Philippe Dechant
University of Leeds
   Characteristic multivectors of Coxeter transformations give novel insights into the geometry of root systems
16:30-17:00 Dmitry Shirokov
HSE University
   On Rank of Multivectors in Geometric Algebras
17:00-17:30 Hongbo Li
Chinese Academy of Sciences
   From Null Monomials to Versors in Conformal Geometry
17:30-18:00 Timothy Havel
Massachusetts Institute of Technology
   The Zeros of Heron's Formula in Orthocentric Tetrahedra


18:45    We will go on a 1-hour canal boat tour, with drinks and snacks.
We assemble in front of the conference venue to board.
Dinner afterwards is not arranged, and left to the participants.

Wednesday August 28, 2024: VISION & ROBOTICS (Chair Eduardo Bayro-Corrochano)

09:00-09:30 Isiah Zaplana
Universitat Politècnia de Catalunya, Spain
   Closed-form inverse kinematics solutions for a class of serial robots without spherical wrist using conformal geometric algebra
09:30-10:00 Oliver Rettig
DHBW-Karlsruhe, Germany
   Towards an Integrated Development tool for GA and a symbolic CGA implementation based on CasADi for application in robotics.
10:00-10:30 Charalampos Matsantonis
University of Cambridge
   A Novel Line Alignment Algorithm using Geometric Algebra
10:30-11:00 Roman Byrtus
Brno University of Technology
   CGA-Based Snake Robot Control Models

Wednesday August 28, 2024: CONTROL & GIS (Chair Eckhard Hitzer)

11:15-11:45 Anna Derevianko
Brno University of Technology
   On Control of 2D Switched Systems by Means of Geometric Algebra for Conics
11:45-12:15 Jorge Ventura
Universidad de Almeria
   Applications of Geometric Algebra in Surveying and Geodesy
12:15-12:45 Jaroslav Hrdina
Brno University of Technology
   Notes on geometric algebras in geometric control theory (sub-Riemannian geometry)
12:45-13:15 Johanka Brdečková
Brno University of Technology
   Transformation in four phase power system using CGA

Wednesday August 28, 2024: MACHINE LEARNING 2 (Chair Salvatore Vitabile)

14:15-14:45 Maksim Zhdanov
University of Amsterdam
   Clifford-Steerable Convolutional Neural Networks
14:45-15:15 Alberto Pepe
U of Cambridge, TU Brandenburg
   STAResNet: A Network in Spacetime Algebra Network to Solve 3D Maxwell's PDEs
15:15-15:45 Cong Liu
AI4Science Lab, AMLab, University of Amsterdam
   Clifford Group Equivariant Simplicial Message Passing Networks

Wednesday August 28, 2024: PITCHES, POSTERS & ONLINE GUEST TALK (Chair Anthony Lasenby)

16:00-16:30 2-MINUTE PITCHES    Plenary room
16:30-17:30 POSTER SESSION    Room next door
Jens Andresen
Independent Scientist, Køge, Denmark
   Local Space Structure by Geometric Algebra of the Hurwitz Unit Quaternions
Peter Brands
Lumina Innovation
   Bridge between hyperbolic and circular symmetry illuminates spacetime spinors
Steven De Keninck
University of Amsterdam
   Look, Ma, No Trigonometry!
Leo Dorst
University of Amsterdam
   Paraxial Geometric Optics in 3D through Point-based Geometric Algebra
Christian Faber
Hochschule Landshut
   A Unifying “Anycentric” Pinhole Camera Model for Calibrating Ento-, Tele- and Hypercentric Lenses
Zachary Leger
University of Waterloo
   A modern Tool for Teaching Projective Geometric Algebra
Alberto Pepe
U of Cambridge, Huawei Munich Research Center
   DPGNN: Differentiable Physics- and Geometry-Assisted Neural Network
Hamish Todd
University of Cambridge
   Snappets: A VR user interface for animation with bendable vectors
Greg Wilmot
University of Adelaide
   The Algebra of Geometry
17:30-18:30 ONLINE GUEST TALK    Plenary room
David Hestenes
Arizona State University
   Gyromagnetics of the Electron Clock
(online presentation main hall)

Wednesday August 28, 2024: CONFERENCE DINNER

18:45    For those who pre-registered and paid for the conference dinner (by August 1), it is at:
Kantjil en de Tijger, Spuistraat 291-293, Amsterdam.
This is a 2-minute-walk from the conference venue.

Thursday August 29, 2024: MATHEMATICAL ASPECTS 2 (Chair Pierre Dechant)

09:00-10:00 Leo Dorst
University of Amsterdam
   Dual Spaces are Real: Orientation Types in Geometric Algebras
09:30-10:00 Ekaterina Filimoshina
HSE University
   On Generalized Degenerate Lipschitz and Spin Groups
10:00-10:30 Daren Thimm
University of Innsbruck, Austria
   Factorizations of the Conformal Villarceau Motion
10:30-11:00 Petr Vašík
Brno University of Technology
   Hamiltonian mechanics in terms of geometric algebras

Thursday August 29, 2024: ELECTRO-MAGNETISM (Chair Joan Lasenby)

11:15-11:45 Chris Doran
Cambridge University
   Projective and Conformal Formulations of Electromagnetism
11:45-12:15 Lucas Burns
Chapman University
   Representation and Gauge Freedom in Electromagnetism and Acoustics
12:15-12:45 Gene McClellan
Applied Research Associates, Inc.
   Flux Quantization in Type II Superconductors
12:45-13:15 Kristján Óttar Klausen
University of Iceland
   Symmetries of the boundary theorem in electrodynamics

Thursday August 29, 2024: VISUALIZATION & EDUCATION (Chair Vincent Nozick)

14:15-14:45 Stephen Mann
University of Waterlo, Canada
   A Virtual Reality System for Visualizing Geometric Algebras
14:45-15:15 Duane Storti
University of Washington-Seattle
   Bringing Engineers to Geometric Algebra (and vice versa)
15:15-15:45 Hamish Todd
University of Cambridge
   A Comprehensive Visualization of Versors of Conformal Geometric Algebra

Thursday August 29, 2024: COMPUTATIONAL GEOMETRY (Chair Dietmar Hildenbrand)

16:00-16:30 Pavel Loučka
Brno University of Technology
   Construction of Special Conics in Bundles of Conics Using Geometric Algebras
16:30-17:00 Clément Chomicki
Université Gustave Eiffel, CNRS
   Pencils and set operators in 3D CGA
17:00-17:30 Eckhard Hitzer
International Christian University, Tokyo, Japan
   Geometric Algebra and symmetry in crystallography and physics
17:30-18:00 Carlile Lavor
University of Campinas Brazil
   Computing interatomic distances using Euclidean, Homogeneous, and Conformal Models

Thursday August 29, 2024: PRIZES AND NEXT VENUE

18:15-18:45    David Hestenes Promising Young Researcher Award
Waldyr R. Rodrigues Jr. Best Poster prize
   Venue for AGACSE 2027