The antibracket formalism for gauge theories, at both the classical and quantum level, is
reviewed. Gauge transformations and the associated gauge structure are analyzed in detail …

We review the particle theory origin of inflation and curvaton mechanisms for generating
large scale structures and the observed temperature anisotropy in the cosmic microwave …

Scalar quintessence seems epicyclic because one can choose the potential to reproduce
any cosmology (I review the construction) and because the properties of this scalar seem to …

It has been conjectured that at a stationary point of the tachyon potential for the D-brane of
bosonic string theory, the negative energy density exactly cancels the D-brane tension. We …

We discuss the problems associated with the essential nonlocality of all string field actions.
Manifestly Poincaré invariant theories are shown to be unstable and bereft of an initial value …

In the context of covariant string field theory, we investigate the existence and properties of
nonperturbative vacua for the open bosonic string. The study is performed using successive …

We discuss multipartitions of the gapped ground states of (2+ 1)-dimensional topological
liquids into three (or more) spatial regions that are adjacent to each other and meet at points …

I give a pedagogical explanation of what it is about quantization that makes general relativity
go from being a nearly perfect classical theory to a very problematic quantum one. I also …

We formulate string field theory geometrically by writing each term in the field theory action.
as an expectation value in the 2-dimensional conformal field theory on the world surface. We …

We construct an off-shell extension of cubic interaction vertices between massless bosonic
Higher Spin fields on a flat background which can be obtained from perturbative bosonic …