Recognition Problem of Frontal Singularities
Journal of Singularities, Tome 21 (2020), pp. 149-166

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A natural class of mappings, frontal mappings, is explained from both geometric and algebraic aspects. Several results on the recognition of frontal singularities, in particular, cuspidal edges, folded umbrellas, swallowtails, Mond singularities, Shcherbak singularities, and their openings are surveyed.
DOI : 10.5427/jsing.2020.21i
Classification : 57R45, 58K50, 53A07, 53D12, 53C50
@article{10_5427_jsing_2020_21i,
     author = {Goo Ishikawa},
     title = {Recognition {Problem} of {Frontal} {Singularities}},
     journal = {Journal of Singularities},
     pages = {149--166},
     publisher = {mathdoc},
     volume = {21},
     year = {2020},
     doi = {10.5427/jsing.2020.21i},
     url = {http://geodesic.mathdoc.fr/articles/10.5427/jsing.2020.21i/}
}
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Goo Ishikawa. Recognition Problem of Frontal Singularities. Journal of Singularities, Tome 21 (2020), pp. 149-166. doi: 10.5427/jsing.2020.21i

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