- Mandelbrot set
- Mandelbrot set lemniscate
- Mandelbrot tree
- Mandelstam representation
- Mandelstam, S.
- Mangoldt function
- Mangoldt, H.C.F.von
- manifold
- manifold classification
- manifold crystallization
- manifold equivalent to zero
- manifold geometry
- manifold of algebraic elements
- manifold of bounded curvature
- manifold of conics
- manifold of constant curvature
- manifold of flags
- manifold of groups
- manifold of lines
- manifold of mappings
- manifold of metrics
- manifold of negative curvature
- manifold of positive curvature
- manifold of pre-assigned curvature
- manifold of singularity