<p>In this paper, by using a special Euler–Ramanujan identity and the idea of Wick rotation, we show that a one-parameter family of solutions to the zero mean curvature equation in the Lorentz–Minkowski 3-space <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(\mathbb {E}_1^3\)</EquationSource> <EquationSource Format="MATHML"><math> <msubsup> <mi mathvariant="double-struck">E</mi> <mn>1</mn> <mn>3</mn> </msubsup> </math></EquationSource> </InlineEquation>, namely Scherk-type zero mean curvature surfaces, can be expressed as an infinite superposition of dilated helicoids. Further, we also obtain different finite decompositions for these surfaces. We end this paper with an application of these decompositions to formulate maximal codimension 2 surfaces into finite and infinite “sums” of weakly untrapped and <InlineEquation ID="IEq2"> <EquationSource Format="TEX">\(*\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mrow /> <mo>∗</mo> </mrow> </math></EquationSource> </InlineEquation>-surfaces in the Lorentz–Minkowski 4-space.</p>

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Decompositions of Scherk-type zero mean curvature surfaces

  • Subham Paul,
  • Priyank Vasu,
  • Siddharth Panigrahi,
  • Rahul Kumar Singh

摘要

In this paper, by using a special Euler–Ramanujan identity and the idea of Wick rotation, we show that a one-parameter family of solutions to the zero mean curvature equation in the Lorentz–Minkowski 3-space \(\mathbb {E}_1^3\) E 1 3 , namely Scherk-type zero mean curvature surfaces, can be expressed as an infinite superposition of dilated helicoids. Further, we also obtain different finite decompositions for these surfaces. We end this paper with an application of these decompositions to formulate maximal codimension 2 surfaces into finite and infinite “sums” of weakly untrapped and \(*\) -surfaces in the Lorentz–Minkowski 4-space.