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Original Research
Published 7 October 2026
Newtonian gravity and dark-matter phenomenology from an emergent scalar field sourced by ordinary matter
Gustav Stålhammar
Frontiers in Astronomy and Space Sciences
doi 10.3389/fspas.2026.1904894
Original Research
Published 28 September 2026
Σ-Gravity: a coherence-motivated empirical response tested in galaxies and clusters
Leonard Speiser
Frontiers in Astronomy and Space Sciences
doi 10.3389/fspas.2026.1866133