Existence of broken Lefschetz fibrations

Existence of Engel structures

Existence of foliations on 4-manifolds

Existence of perfect Morse functions on spaces with semi-free circle action

Existence of Phi-Relationship Within Regular Hexagonal Tessellation

Existence of Taut foliations on Seifert fibered homology 3-spheres

Existence theorems of fold-maps

Exotic embeddings of $#6\Bbb R\roman{P}^2$ in the 4-sphere

Exotic group actions on simply connected smooth 4-manifolds

Exotic heat PDE's

Exotic projective structures and quasifuchsian spaces II

Exotic rational elliptic surfaces without 1-handles

Exotic smooth structures on $CP^2#5{\bar CP^2}$

Exotic smooth structures on $S^2\times S^2$

Exotic smooth structures on (2n+2l-1)CP^2#(2n+4l-1)(-CP^2)

Exotic smooth structures on 3{CP}^2#8{-CP}^2

Exotic smooth structures on 4-manifolds with zero signature

Exotic Smooth Structures on Small 4-Manifolds

Exotic Smooth Structures on Small 4-Manifolds with Odd Signatures

Exotic structures and adjunction inequality