Every closed smooth 4-manifold is a union of two Stein 4-manifolds glued along their common boundary.

These are three countries with common boundaries that have similar concerns about future economic propects.

One of his major points was that even with a common national boundary, citizens don't share a common culture.

Schools are committed to maintaining common boundaries to keep athletics strong yet in proportion to their overall academic mission.

Kenyan local authorities mostly do not follow common boundaries with divisions.

It shares a common boundary with the City of Manchester.

Route 34 is the common boundary of the three towns.

These designs went beyond the common boundaries of concrete design in Maillart's time.

India and Pakistan share more than a common boundary.

The district is having a common boundary with Jharkhand state in the south.