essential singularity

isolated singularity that is neither removable nor a pole

en-US/iˈsɛnʃəl ˌsɪŋjʊˈlæɹiti/
en-GB/ɪˈsɛnʃl ˌsɪŋɡjʊˈlæɹɪtɪ/

Катэгорыі:

isolated singularity