elliptic%20umbilic%20catastrophe
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1: 36.4 Bifurcation Sets
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Critical Points for Umbilics
… ►Bifurcation (Catastrophe) Set for Umbilics
… ►Elliptic umbilic bifurcation set (codimension three): for fixed , the section of the bifurcation set is a three-cusped astroid … ►Elliptic umbilic cusp lines (ribs): … ►§36.4(ii) Visualizations
…2: 36.5 Stokes Sets
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►Stokes sets are surfaces (codimension one) in space, across which or acquires an exponentially-small asymptotic contribution (in ), associated with a complex critical point of or .
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§36.5(iii) Umbilics
►Elliptic Umbilic Stokes Set (Codimension three)
… ► …3: Bibliography B
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Stokes surfaces of diffraction catastrophes with codimension three.
Nonlinearity 3 (2), pp. 281–291.
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Overlapping Stokes smoothings: Survival of the error function and canonical catastrophe integrals.
Proc. Roy. Soc. London Ser. A 444, pp. 201–216.
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Axial and focal-plane diffraction catastrophe integrals.
J. Phys. A 43 (37), pp. 375206, 13.
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The elliptic umbilic diffraction catastrophe.
Phil. Trans. Roy. Soc. Ser. A 291 (1382), pp. 453–484.
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Catastrophe optics: Morphologies of caustics and their diffraction patterns.
In Progress in Optics, E. Wolf (Ed.),
Vol. 18, pp. 257–346.
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