Compututational Techniques for Real Logarithms of Matrices
SIAM Journal on Matrix Analysis and Applications
The Scaling and Squaring Method for the Matrix Exponential Revisited
SIAM Journal on Matrix Analysis and Applications
Nonlinear Complex-Valued Extensions of Hebbian Learning: An Essay
Neural Computation
Equivariant adaptive source separation
IEEE Transactions on Signal Processing
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In the present paper, we treat the problem of learning averages out of a set of unitary matrices. We discuss a possible learning technique based on the differential geometrical properties of the Lie group of unitary matrices. We first recall some relevant notions from differential geometry, mainly related to Lie group theory, and then we propose a scheme for learning averages. Some numerical experiments will illustrate the features of the learnt averages.