AUTHOR=Machotka Radovan TITLE=The Euclidean model of space and time, and the wave nature of matter JOURNAL=Frontiers in Physics VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2025.1537461 DOI=10.3389/fphy.2025.1537461 ISSN=2296-424X