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In [2], classes of objects injective with respect to a set M of morphisms of a locally presentable category K were characterized: they are precisely the classes closed under products,
If the pointed Set -functor T satisfies (BC) and V is a complete and cocomplete locally cartesian closed category, then Alg( T, V ) is a
The symplectic convexity theorem states that the image under the moment map of a compact connected symplectic manifold with Hamiltonian torus action is a convex polytope..
the pure, complete spread (with locally connected domain) factorization is ‘comprehen- sive’ in the sense of [12], (associated with a comprehension scheme [8]) with respect
In this paper we show that certain closed families of affine varieties of a Euclidean space and some families of spheres of a higher dimensional sphere as well, are not critical sets
On the other hand, in [6] it was proved by Brown that if X is a semilo- cally simply connected topological space, i.e., each component has a simply connected covering, then the
We recall that a graph is a locally connected continuum with a finite number of end points and ramification points..
In 1935, Schauder proved that every compact convex set in a locally convex linear metric space has the fixed point property see [4] Schauder conjectured that his result holds trae for