ARTFEED — Contemporary Art Intelligence

New Hyperdimensional Computing Architecture Realizes Marcus's Algebraic Mind

ai-technology · 2026-05-22

A novel hyperdimensional computing framework, PyVaCoAl/VaCoAl, has been created, incorporating the three crucial elements identified by Gary Marcus for cognitive architectures: operations on variables, recursively structured representations, and a differentiation between mental representations of individuals and categories. In his 2001 publication, The Algebraic Mind, Marcus contended that conventional multilayer perceptrons did not facilitate any of these components, and that a neural approach utilizing registers and treelets through developmental programs was merely a hypothesis. Now, 25 years later, the necessary substrate has been realized. This architecture utilizes XOR-and-shift over GF(2), executed by primitive-polynomial linear-feedback shift registers, enabling reversible variable binding and non-commutative compositional bundling.

Key facts

  • The architecture is called PyVaCoAl/VaCoAl
  • It is based on hyperdimensional computing
  • Uses XOR-and-shift over GF(2) as the single algebraic primitive
  • Implemented by primitive-polynomial linear-feedback shift registers
  • Supports reversible variable binding via Bind(R,F) = R XOR shift(F)
  • Addresses three components from Gary Marcus's The Algebraic Mind
  • Marcus's book was published in 2001
  • The architecture is available now, 25 years after Marcus's conjecture

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