A classification of D-branes in Type IIB Op? orientifolds and orbifolds in terms of Real and equivariant KK-groups is given. We classify D-branes intersecting orientifold planes from which are recovered some special limits ...

En esta unidad aprenderemos como proporcionar y recibir información de lugares, instrucciones y actividades.

The main objective of a Language is the communication, it´s important that students can communicate feelings, thoughts, ideas, etc., and this topic about Daily routines let our students to speak or write on their own ...

The present simple and daily routines are the first topic in unit I in PAI (programa académico institucional) in the subject of Socializing.

The students will get familiar with the daily routines. They also will learn the words to describe those routines.

The purpose of this work is to present a short introduction for beginner English learners to the topic of daily routines and simple present tense Use this presentation as a great way to study the basics in one important ...

Danza se trata de la ejecución de movimientos al ritmo de la música que permite expresar sentimientos y emociones. Se estima que la danza fue una de las primeras manifestaciones artísticas de la historia de la humanidad.

Danza se trata de la ejecución de movimientos al ritmo de la música que permite expresar sentimientos y emociones. Se estima que la danza fue una de las primeras manifestaciones artísticas de la historia de la humanidad.

The data are the base of computer. In this paper we study concepts, structure and data handling. The representation of text, images, audio and video as bit patterns and the representation of numbers.