The book, based on a course of lectures by the authors at the Indian Institute of Technology, Guwahati, covers aspects of infinite permutation groups theory and some related model-theoretic constructions. There is basic background in both group theory and the necessary model theory, and the following topics are covered: transitivity and primitivity; symmetric groups and general linear groups; wreatch products; automorphism groups of various treelike objects; model-theoretic constructions for building structures with rich automorphism groups, the structure and classification of infinite primitive Jordan groups (surveyed); applications and open problems. With many examples and exercises, the book is intended primarily for a beginning graduate student in group theory.
Can small indigenous communities survive as distinct cultural entities in northeast India, an area characterized by mind-boggling ethnic, linguistic, and cultural diversity? What are the choices that such minority groups have, and how do they resist further marginalization? Diversity in northeast India is often celebrated and performed. There has been a spate of ethnic festivals in this region in the recent years, but a question remains: Are these activities of ethnic revival signs of increasing agency or proof of their continued marginalization? Situated around the tiny Tangsa community of Assam, this narrative ethnography looks at ethnic marginality and the compulsions imposed on minority communities by the dominant community, state policies, and political borders. The concerns of the Tangsa community through multiple case studies while also reflecting on questions arising from the fact that she belongs to the dominant Assamese In a novel anthropological endeavour, the author portrays community. Unlike a theoretical treatise, the aim in this book is to empower the subjects of study by narrating their life stories and everyday concerns in simple language, thereby addressing a wider audience.
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