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An adjoint curve which bears a special relation to the base curve.

Given a hereditary representation of a number n in base b, let B[b](n) be the nonnegative integer which results if we syntactically replace each b by b+1 (i.e., B[b] is a ...

The space E of a fiber bundle given by the map f:E->B, where B is the base space of the fiber bundle.

The length of a number n in base b is the number of digits in the base-b numeral for n, given by the formula L(n,b)=|_log_b(n)_|+1, where |_x_| is the floor function. The ...

A (finite, circular) conical surface is a ruled surface created by fixing one end of a line segment at a point (known as the vertex or apex of the cone) and sweeping the ...

A topological space in which every point has a countable neighborhood system base for its neighborhood system.

A square prism is prism with square base and is therefore a special case of a cuboid.

A pyramid with a heptagonal base. The heptagonal pyramid is one of the 257 convex octahedra.

A limb of a tree at a vertex v is the union of one or more branches at v in the tree. v is then called the base of the limb.

The curve b(u) in the ruled surface parameterization x(u,v)=b(u)+vd(u) is called the directrix (or base curve).