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A new method for calculating the modes of arbitrarily shaped dielectric waveguides is presented. It consists of expanding the field in a two dimensional Fourier series.

Thin film field-effect transistors based on solution processed CdS have been prepared. Mobilities in the range of 5 to 9 cm(2)/Vs and on/off-current ratios exceeding 10(6) are demonstrated.

The quantum nonlinear Schrodinger equation provides an integrable quantum field theory that has been solved by a number of methods.

Until now, most organic-based FETs have been fabricated by subliming the active films onto device substrates at high vacuum, whereby useful orientational order and intergrain connectivity are obtai

The dielectric constants of solutions of the title chromophore (DCV) at a wide range of concentrations in dioxane were measured.

Starting from an analysis of current trends in the telecommunications environment and of new service deployment requirements, this paper describes a number of solutions to enable flexible introduct

Solution by Gregg Patruno, Staten Island, New York. Variations of this 'advanced' problem seem to appear endlessly (e.g., International Mathematical Olympiad, 1972, U.S.A.

Deciding how to transport freight from various sources to various destinations is an important material logistics problem.

An algorithm is given for the solution of a system of difference constraints where the variables must take on values from a given finite set of real numbers.

Many of the fast methods for factoring integers and computing discrete algorithms require the solution of large sparse linear systems of equations over finite fields.