Integrable Structure of Superconformal Field Theory and Quantum super-KdV Theory

The integrable structure of the two dimensional superconformal field theory is considered. The classical counterpart of our constructions is based on the $\hat{osp}(1|2)$ super-KdV hierarchy. The quantum version of the monodromy matrix associated with the linear problem for the corresponding L-operator is introduced. Using the explicit form of the irreducible representations of $\hat{osp}_q(1|2)$, the so-called "fusion relations" for the transfer matrices considered in different representations of $\hat{osp}_q(1|2)$ are obtained. The possible integrable perturbations of the model (primary operators, commuting with integrals of motion) are classified and the relation with the supersymmetric $\hat{osp}(1|2)$ Toda field theory is discussed.Comment: LaTeX2e, elsart.cls, 11 pages, subm. to Physics Letters

One-dimensional Chern-Simons theory

We study a one-dimensional toy version of the Chern-Simons theory. We construct its simplicial version which comprises features of a low-energy effective gauge theory and of a topological quantum field theory in the sense of Atiyah.Comment: 37 page

STRUCTURAL AND EXTREMAL PROPERTIES OF THE HOT ROLLING BATCHES PRECEDENCE GRAPH

In this paper we study structural properties and properties of maximal paths of the hot rolling batches precedence graph. The hot rolling batches precedence graph arises in the problem of planning and scheduling of a hot strip mill load. Slab batches are selected and sequenced in turns. Basic technological restrictions on batch sequencing in turns are represented by the rolling batches precedence graph. Some fundamental structural properties of this graphs are stated such as the local block structure and the maximal paths structure. Motivation and overview of the result application potential are also provided

Populist Mobilization: A New Theoretical Approach to Populism*

Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/112280/1/j.1467-9558.2011.01388.x.pd

Content Management System for Personally Driven Web Site

The goal of the project was to develop a simple content management system that could be easily used both as a standalone web application and as a part of a more complex system. The application was supposed to consist of several key modules: commentary engine, search engine, navigation system and authentication system. To create a content management system the implementations of the most common design patterns provided by PHP Zend Framework were used. The application was developed and tested on Ubuntu Linux with Apache web server and MySQL database server. The final version of the project represented a content management system with a navigation system based on item categorization. The application consisted of multiple classes: the ones provided by Zend Framework and the ones created to fulfill application-specific requirements. The system extensively used the benefits of object oriented programming and the model-view-controller design pattern. The results of the project allowed making several conclusions. First, although it is faster to develop the application using the agile programming model, such a technique leads to less optimized code then, if the design of the application was supported by a unified modeling language. Second, object-oriented programming provides the application with a high level of reusability and also makes it possible to employ only certain parts of the software

Recalibration of LBM Populations for Construction of Grid Refinement with No Interpolation

Grid refinement is used to reduce computing costs while maintaining the precision of fluid simulation. In the lattice Boltzmann method (LBM), grid refinement often uses interpolated values. Here, we developed a method in which interpolation in space and time is not required. For this purpose, we used the moment matching condition and rescaled the nonequilibrium part of the populations, thereby developing a recalibration procedure that allows for the transfer of information between different LBM stencils in the simulation domain. Then, we built a nonuniform lattice that uses stencils with different shapes on the transition. The resulting procedure was verified by performing benchmarks with the 2D Poisselle flow and the advected vortex. It is suggested that grids with adaptive geometry can be built with the proposed method

A note on parameter estimation for Lazarsfeld's latent class analysis

latent class analysis, maximum likelihood method, parameter transformation,