In order to find novel examples of non-simply connected Calabi-Yau threefolds, free
quotients of complete intersections in products of projective spaces are classified by means …

It is known that many Calabi‐Yau manifolds form a connected web. The question of whether
all Calabi‐Yau manifolds form a single web depends on the degree of singularity that is …

It is well known that there are a great many apparently consistent vacua of string theory. We
draw attention to the fact that there appear to be very few Calabi–Yau manifolds with the …

We present a list of Calabi‐Yau threefolds known to us, and with holonomy groups that are
precisely, rather than a subgroup, with small Hodge numbers, which we understand to be …

We describe a simple and robust mechanism that stabilizes all Kähler moduli in Type IIB
orientifold compactifications. This is shown to be possible with just one non-perturbative …

This is a short review of recent constructions of new Calabi‐Yau threefolds with small Hodge
numbers and/or nontrivial fundamental group, which are of particular interest for model …

A bstract Calabi-Yau threefolds with h 11 (X)= h 21 (X)= 1 are constructed as free quotients
of a hypersurface in the ambient toric variety defined by the 24-cell. Their fundamental …

The moduli space of multiply connected Calabi–Yau threefolds is shown to contain
codimension-one loci on which the corresponding variety develops a certain type of …

We extend the Spectral Construction, a technique used with great success to study and
construct vector bundles on elliptically fibered varieties, to a special family of abelian surface …

In previous work, it was argued that the type IIB T 6/Bbb Z 2 orientifold with a choice of flux
preserving Script N= 2 supersymmetry is dual to a class of purely geometric type IIA …