Definition of General homology. Meaning of General homology. Synonyms of General homology

Here you will find one or more explanations in English for the word General homology. Also in the bottom left of the page several parts of wikipedia pages related to the word General homology and, of course, General homology synonyms and on the right images related to the word General homology.

Definition of General homology

General homology
Homology Ho*mol"o*gy, n. [Gr. ? agreement. See Homologous.] 1. The quality of being homologous; correspondence; relation; as, the homologyof similar polygons. 2. (Biol.) Correspondence or relation in type of structure in contradistinction to similarity of function; as, the relation in structure between the leg and arm of a man; or that between the arm of a man, the fore leg of a horse, the wing of a bird, and the fin of a fish, all these organs being modifications of one type of structure. Note: Homology indicates genetic relationship, and according to Haeckel special homology should be defined in terms of identity of embryonic origin. See Homotypy, and Homogeny. 3. (Chem.) The correspondence or resemblance of substances belonging to the same type or series; a similarity of composition varying by a small, regular difference, and usually attended by a regular variation in physical properties; as, there is an homology between methane, CH4, ethane, C2H6, propane, C3H8, etc., all members of the paraffin series. In an extended sense, the term is applied to the relation between chemical elements of the same group; as, chlorine, bromine, and iodine are said to be in homology with each other. Cf. Heterology. General homology (Biol.), the higher relation which a series of parts, or a single part, bears to the fundamental or general type on which the group is constituted. --Owen. Serial homology (Biol.), representative or repetitive relation in the segments of the same organism, -- as in the lobster, where the parts follow each other in a straight line or series. --Owen. See Homotypy. Special homology (Biol.), the correspondence of a part or organ with those of a different animal, as determined by relative position and connection. --Owen.

Meaning of General homology from wikipedia

- In mathematics, homology is a general way of ****ociating a sequence of algebraic objects, such as abelian groups or modules, with other mathematical objects...
- In algebraic topology, simplicial homology is the sequence of homology groups of a simplicial complex. It formalizes the idea of the number of holes of...
- topology, singular homology refers to the study of a certain set of algebraic invariants of a topological space X, the so-called homology groups H n ( X )...
- Hochschild homology (and cohomology) is a homology theory for ****ociative algebras over rings. There is also a theory for Hochschild homology of certain...
- In mathematics, specifically in homology theory and algebraic topology, cohomology is a general term for a sequence of abelian groups, usually one ****ociated...
- Sequence homology is the biological homology between DNA, RNA, or protein sequences, defined in terms of shared ancestry in the evolutionary history of...
- In mathematics, Floer homology is a tool for studying symplectic geometry and low-dimensional topology. Floer homology is a novel invariant that arises...
- development of special characteristics which differ significantly from general homology were listed by Karl Ernst von Baer as the laws now named after him...
- In algebraic topology and graph theory, graph homology describes the homology groups of a graph, where the graph is considered as a topological space...
- topological spaces. In general one uses singular homology; but if X and Y happen to be CW complexes, then this can be replaced by cellular homology, because that...