reachability

Accessibility is:

• a concept of theoretical computer science in the area of Petri nets
• a term in graph theory that relates to the question of whether there is a path between two selected nodes, see reachability problem in graphs
• In the sociological theory of social networks, the possibility of people to influence and interact with other social actors directly or via others, see interaction
• a basic concept of phenomenological thermodynamics, which is indispensable for a mathematically exact definition of entropy, see adiabatic accessibility

See also:

Wiktionary: Accessibility  - explanations of meanings, word origins, synonyms, translations

• Accessibility map
• Availability arrangement

This is a disambiguation page for differentiating between several terms identified with the same word.