The Möbius function of the composition poset
The Mobius Function of the Permutation Pattern Poset
The Möbius Function on Implication sublattices of a Boolean algebra
The moduli space of n tropically collinear points in R^d
The Moebius function of separable and decomposable permutations
The monodromy pairing and discrete logarithm on the Jacobian of finite graphs
The Moore bound for Spectral Radius
The morphology of infinite tournaments. Application to the growth of their profile
The most and the least avoided consecutive patterns
The multicovering radius problem for some types of discrete structures
The Multidimensional Cube Recurrence
The Multiplicities of a Dual-thin Q-polynomial Association Scheme
The multivariate signed Bollobas-Riordan polynomial
The multivariate Tutte polynomial (alias Potts model) for graphs and matroids
The Murnaghan-Nakayama rule for k-Schur functions
The mutation class of $D_n$ quivers
The N-queens Problem on a symmetric Toeplitz matrix
The negative q-binomial
The Neighbor-Net Algorithm
The neighborhood complex of a random graph