|A branch of geometry describing the properties of a figure that are unaffected by continuous distortion, such as stretching or knotting. Topology includes,General topology that establishes the foundational aspects of topology and investigates properties of topological spaces and investigates concepts inherent to topological spaces. Algebraic topology tries to measure degrees of connectivity using algebraic constructs such as homology and homotopy groups. Differential topology that deals with differentiable functions on differentiable manifolds Geometric topology it mainly deals manifolds and their embeddings (placements) in other manifolds. A particularly active area is low dimensional topology, which studies manifolds of four or fewer dimensions.
High-impact journals are those considered to be highly influential in their respective fields. The impact factor of journal provides quantitative assessment tool for grading, evaluating, sorting and comparing journals of similar kind. It reflects the average number of citations to recent articles published in science and social science journals in a particular year or period, and is frequently used as a proxy for the relative importance of a journal within its field. It is first devised by Eugene Garfield, the founder of the Institute for Scientific Information. The impact factor of a journal is evaluated by dividing the number of current year citations to the source items published in that journal during the previous two years.
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