Foreword to Volume 31, Number 4

doi:10.68381/jca31051

DOI: 10.68381/jca31051 ISSN: 0944-6532

Foreword to Volume 31, Number 4

Lionel Thibault

Volume 31 (2024), Number 4, is a special issue dedicated to Prof. Jean-Paul Penot on the occasion of his 80th birthday. We give an overview of the scientific life of Prof. Penot.

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