The largest and the smallest fixed points of permutations

The Largest Eigenvalue and Bi-Average Degree of a Graph

THe largest eigenvalue of sparse random graphs

The largest singletons in weighted set partitions and its applications

The largest singletons of set partitions

The largest small polytopes

The last fraction of a fractional conjecture

The lattice dimension of a tree

The lattice of closure relations of a poset

The Lattice of Cyclic Flats of a Matroid

The lattice of integer flows of a regular matroid

The Lattice of integer partitions and its infinite extension

The Lattice of N-Run Orthogonal Arrays

The Laurent phenomenon

The leading coefficient of certain Kazhdan-Lusztig polynomials of the permutation group $S_n$

The leading root of the partial theta function

The leafage of a chordal graph

The Lefschetz property for barycentric subdivisions of shellable complexes

The Lefthanded Local Lemma characterizes chordal dependency graphs

The length of chains in algebraic lattices