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This is an open access book. This book focuses on the research of advanced structures and anti-seismic in civil engineering. It features the most cutting-edge research directions and achievements related to civil and structural engineering. Subjects in this book include: ·Engineering Structure and Seismic Resistance ·Structural Mechanics Analysis ·Components and Materials ·Structural Seismic Design ·3D Printing Concrete ·Other Related Topics The works of this book promote development of civil and structural engineering, resource sharing, flexibility, and high efficiency. Thereby, it also promotes scientific information interchange between scholars from the top universities, research centers, and high-tech enterprises working all around the world.

Civil engineering. --- Building materials. --- Mechanics, Applied. --- Civil Engineering. --- Building Materials. --- Engineering Mechanics. --- Engineering --- Public works --- Applied mechanics --- Engineering, Mechanical --- Engineering mathematics --- Architectural materials --- Architecture --- Building --- Building supplies --- Buildings --- Construction materials --- Structural materials --- Materials

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This book studies using string-net models to accomplish a direct, purely two-dimensional, approach to correlators of two-dimensional rational conformal field theories. The authors obtain concise geometric expressions for the objects describing bulk and boundary fields in terms of idempotents in the cylinder category of the underlying modular fusion category, comprising more general classes of fields than is standard in the literature. Combining these idempotents with Frobenius graphs on the world sheet yields string nets that form a consistent system of correlators, i.e. a system of invariants under appropriate mapping class groups that are compatible with factorization. The authors extract operator products of field objects from specific correlators; the resulting operator products are natural algebraic expressions that make sense beyond semisimplicity. They also derive an Eckmann-Hilton relation internal to a braided category, thereby demonstrating the utility of string nets for understanding algebra in braided tensor categories. Finally, they introduce the notion of a universal correlator. This systematizes the treatment of situations in which different world sheets have the same correlator and allows for the definition of a more comprehensive mapping class group.

Quantum field theory. --- Particles (Nuclear physics) --- Elementary particles (Physics) --- High energy physics --- Nuclear particles --- Nucleons --- Nuclear physics --- Relativistic quantum field theory --- Field theory (Physics) --- Quantum theory --- Relativity (Physics)