We investigate quantum corrections to the moduli space for hypermultiplets for the type IIA string near a conifold singularity. We find a unique quantum deformation based on symmetry arguments which is consistent with a recent conjecture. The correction can be interpreted as an infinite sum coming from multiple wrappings of the Euclidean Dirichlet branes around the vanishing cycle. [S0031-9007(...

Abstract: We consider the sum of planar diagrams for open strings propagating on N D3-branes and show that it can be recast as the propagation of a closed string with a Hamiltonian H = H0 − gsN P̂ where H0 is the free Hamiltonian and P̂ is the hole or loop insertion operator. We compute explicitly P̂ and study its properties. When the distance y to the D3-branes is much larger than the string leng...

We introduce a general definition of almost p-summing mappings and give several concrete examples of such mappings. Some known results are considerably generalized and we present various situations in which the space of almost p-summing multilinear mappings coincides with the whole space of continuous multilinear mappings.

The editorial, “The Journal Publishing: Never Ending Saga”, in the February 2014 issue of Osong Public Health and Research Perspectives (PHRP) has brought up quite a resonance from the journal editors, and needs provide them with more updated details. As mentioned in the editorial in the January 2014 issue of PHRP, this journal has been unique since its birth in every aspect. After 15 years’ pr...