Isotopic may refer to:
* In the physical sciences, to do with chemical
isotope
Isotopes are two or more types of atoms that have the same atomic number (number of protons in their nuclei) and position in the periodic table (and hence belong to the same chemical element), and that differ in nucleon numbers (mass numbers) ...
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* In mathematics, to do with a relation called isotopy; see
Isotopy (disambiguation)
Isotopy may refer to:
Mathematics
* Homotopy#Isotopy, a continuous path of homeomorphisms connecting two given homeomorphisms is an isotopy of the two given homeomorphisms in homotopy
*Regular isotopy of a link diagram, an equivalence relation ...
* In geometry,
isotopic refers to facet-transitivity
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