**Homology** may refer to:

- Homology (anthropology), analogy between human beliefs, practices or artifacts owing to genetic or historical connections
- Homology (biology), any characteristic of biological organisms that is derived from a common ancestor.
- Homology (chemistry), the relationship between compounds in a homologous series
- Homology (mathematics), a procedure to associate a sequence of abelian groups or modules with a given mathematical object
- Homology modeling, a method of protein structure prediction
- Homology (sociology), a structural 'resonance' between the different elements making up a socio-cultural whole
- Homology theory, in mathematics

**Homologous** may refer to:

- Homologous chromosomes, chromosomes in a biological cell that pair up (synapse) during meiosis
- Homologous desensitization, a receptor decreases its response to a signalling molecule when that agonist is in high concentration
- Homologous recombination, genetic recombination in which nucleotide sequences are exchanged between molecules of DNA
- Homologous series (chemistry), a series of organic compounds having different quantities of a repeated unit
- Homologous temperature, the temperature of a material as a fraction of its absolute melting point

**Homological** may refer to:

- Homological word, a word expressing a property which it possesses itself
- Homological algebra, a branch of mathematics

### Other articles related to "homology":

Size Functor

... words, the size functor studies the process of the birth and death of

... words, the size functor studies the process of the birth and death of

**homology**classes as the lower level set changes ... The concept of size functor was introduced as an extension to**homology**theory and category theory of the idea of size function ... The concept of size functor is strictly related to the concept of persistent**homology**group, studied in persistent**homology**...Localization Of A Topological Space - Definitions

... with a map from X to Y such that Y is A-local this means that all its

... with a map from X to Y such that Y is A-local this means that all its

**homology**groups are modules over A The map from X to Y is universal for (homotopy classes of) maps from X to A ... isomorphisms from the A-localizations of the**homology**and homotopy groups of X to the**homology**and homotopy groups of Y ...Superperfect Group

... is said to be superperfect when its first two

... is said to be superperfect when its first two

**homology**groups are trivial H1(G, Z) = H2(G, Z) = 0 ... This is stronger than a perfect group, which is one whose first**homology**group vanishes ... vanish abelianization equals the first**homology**, while the Schur multiplier equals the second**homology**...