This volume is an introductory text where the subject matter has been presented lucidly so as to help self study by the beginners. New definitions are followed by suitable illustrations and the proofs of the theorems are easily accessible to the readers. Sufficient number of examples have been incorporated to facilitate clear understanding of the concepts. The book starts with the basic notions of category, functors and homotopy of continuous mappings including relative homotopy. Fundamental groups of circles and torus have been treated along with the fundamental group of covering spaces. Simplexes and complexes are presented in detail and two homology theories-simplicial homology and singular homology have been considered along with calculations of some homology groups. The book will be most suitable to senior graduate and postgraduate students of various universities and institutes.

A First Course in Algebraic Topology

A. Lahiri

Alpha Science International, Ltd

This book introduces QFT for readers with no prior knowledge of the subject. It is meant to be a textbook for advanced undergraduate or beginning postgraduate students. The book discusses quantization of fields, S-matrix theory, Feynman diagrams, calculation of decay rates and cross sections, renormalization, symmetries and symmetry breaking. Some background material on classical field theory and group theory, needed for the exposition, are also presented in the book. Detailed calculations of weak and electromagnetic processes are included. There are many exercise problems to help the students, instructors and beginning researchers in the field. The second edition improves upon some notations and explanations, and includes answers to selected exercises.

A First Book on Quantum Field Theory

Science & Math

Pal, Palash B.

Lahiri, Amitabha

Physics

This volume covers new developments in tissue culture, stress physiology, secondary metabolities. Subjective and objective questions have been provided at the end of each chapter and tabulated differences between allied processes like Fluorescence and Phosphorescence provided.

Modern Plant Physiology

R. K. Sinha

Biological Sciences

This textbook explains the principles and construction of Engineering Graphics in a systematic manner. New conventions of designating the planes, ground lines, and projections on planes have been introduced to avoid confusion when a number of planes are involved. * New chapter on intersection of surfaces included * More than 200 questions for self test * 100 self explanatory solved problems * 300 plus illustrations with detailed step wise constructional procedure

Engineering Graphics

Computers & Technology

S. Chandra

A.M. Chandra

Graphics & Design

Beginning with the basic concepts of vector spaces such as linear independence, basis and dimension, quotient space, linear transformation and duality with an exposition of the theory of linear operators on a finite dimensional vector space, this book includes the concepts of eigenvalues and eigenvectors, diagonalization, triangulation and Jordan and rational canonical forms. Inner product spaces which cover finite dimensional spectral theory, and an elementary theory of bilinear forms are also discussed.

Linear Algebra

V. Sahai, V. Bist

Mathematics

Aluminum Welding

Engineering & Transportation

N. R. Mandal

Engineering

This second edition continues to establish the link between principles and practice. The goal of this book is to train students so that they can create, design and analyze flow systems in the real world.

Advanced Engineering Fluid Mechanics, Second Edition

Muralidhar, K.

This text will serve the needs of students and teachers engaged in the study of fungi. It begins with an introductory discussion of fungi, their thallus organization, cell ultrastructure, nutritional requirements, reproduction and classification given by various workers, and focuses on the up-to-date account of structure and reproduction in major taxa with emphasis on the main fungal groups.

The Fungi

Sumbali, G.

Discusses in a concise but through manner fundamental statement of the theory, principles and methods for the analysis and design of control systems and their applications to real life practical control systems problems. Includes concepts and review of classical matrix analysis, Laplace transforms, modeling of mechanical, electrical, electromechanical, fluid and thermal systems, the process of converting a pictorial diagram to a block diagram, the time response of first and second order systems, stability, and frequency response approximation to the analysis and design of feedback control systems.

Control Systems

R.V. Dukkipati

Tensor Calculus while presenting the concepts and techniques begins with a brief introduction and history of tensors, followed by the study of systems of different orders, Einstein summation convention, Kronecker symbol leading to the concepts of tensor algebra and tensor calculus. The authors conclude with a stimulating study in Riemannian Geometry.

Tensor Calculus

De, U.C.

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