The sun : a slowly rotating star / J.-P. Zahn -- What is coming : issues raised from observation of the shape of the sun / J.-P. Rozelot -- Effects of rotation on stellar p-mode frequencies / M. J. Goupil -- Approaching the low-frequency spectrum of rotating stars / M. Rieutord -- The rotation of the solar core / S. Turck-Chièze -- Physics of rotation in stellar models / G. Meynet -- Long baseline interferometry of rotating stars across the HR diagram : flattening, gravity darkening, differential rotation / A. Domiciano de Souza -- Is the critical rotation of Be stars really critical for the Be phenomenon? / Ph. Stee and A. Meilland -- On the rotation of A-type stars / F. Royer -- The solar magnetic field : surface and upper layers, network and internetwork field / V. Bommier