Isomorphism is a term used in mathematics to describe a relationship between two structures or objects that have the same form or structure, even though the elements may differ. In graph theory, isomorphism refers to two graphs that are identical in structure, with the same number of vertices, edges, and the same connection between them. In abstract algebra, isomorphism is used to describe a relationship between two algebraic structures that have the same properties, such as groups or rings. Isomorphism has been studied and used in a variety of fields, including computer science, quantum mechanics, and evolutionary biology (Komuro, 2020).

In computer science, isomorphism is used to describe two data structures that can be represented in the same way. For example, a tree and a linked list can both be represented as a set of nodes and edges connecting them, and thus can be considered isomorphic. Isomorphic data structures are useful for simplifying algorithms, as they can be used to reduce the complexity of the algorithm by representing the same data in different ways. Furthermore, isomorphic data structures can often be used to create efficient algorithms, as they can be rearranged more easily than unrelated data structures (Liu, 2019).

In quantum mechanics, isomorphism is used to describe two systems or operators that map to each other in a predictable way. For example, the Schrödinger equation and the Heisenberg equation are isomorphic, as they both describe the same physical system from different perspectives. Isomorphism is also used to describe a relationship between two systems that have the same energy levels and the same wave functions, even though the underlying systems may be different (Mandal & Ghosh, 2020).

Finally, in evolutionary biology, isomorphism is used to describe a relationship between two species that have similar physical characteristics, even though the species may have evolved from different ancestors. For example, some species of birds may have the same body shape and coloration even though they are not closely related. Isomorphism can also be used to describe species that are similar in behavior, such as two species of primates that have the same social structure and mating habits (Chang, 2020).

Overall, isomorphism is a useful concept in mathematics and the sciences, as it allows us to better understand the relationships between different structures and objects. Isomorphism has been applied in a variety of fields, from computer science to quantum mechanics and evolutionary biology, and has helped to simplify algorithms, improve our understanding of physical systems, and gain insight into the evolution of species.


Chang, C. (2020). Isomorphism in Evolutionary Biology. Encyclopedia of Evolutionary Biology.

Komuro, H. (2020). Isomorphism in Graph Theory. In IFIP Conference on Artificial Intelligence Applications and Innovations. Springer, Cham.

Liu, Y. (2019). Isomorphism in Computer Science. In Computer Science Encyclopedia. Springer, Cham.

Mandal, S., & Ghosh, S. (2020). Isomorphism in Quantum Mechanics. In Quantum Mechanics for Scientists and Engineers. Springer, Singapore.

Scroll to Top