The Sun at millimeter wavelengths - V. Magnetohydrodynamic waves in a fibrillar structure M. Saberi, S. Jafarzadeh, S. Wedemeyer, R. Gafeira, M. Szydlarski, D. B. Jess and M. Stangalini A&A, 693 (2025) A19 Published online: 23 December 2024 DOI: 10.1051/0004-6361/202451833