Abstract:Let M be an open Riemann surface and n ≥ 3 be an integer. We prove that on any closed discrete subset of M one can prescribe the values of a conformal minimal immersion M → R n . Our result also ensures jet-interpolation of given finite order, and hence, in particular, one may in addition prescribe the values of the generalized Gauss map. Furthermore, the interpolating immersions can be chosen to be complete, proper into R n if the prescription of values is proper, and injective if n ≥ 5 and the prescription o… Show more
“…Proceeding as before, we obtain a new spray of the same type with h j,k ∈ O(M ). It is elementary to see that the map (p, t) → φ j,k g(p)h j,k (p)t (f (p)) is tangent to f to order r at every point p ∈ P (see [5,Lemma 2.2]); hence the same holds for their composition Φ f . Remark 3.3.…”
Section: Oka Theorymentioning
confidence: 99%
“…This is for instance the case of the López-Ros deformation for minimal surfaces X : M → R 3 (see [80]) which amounts to multiplying the complex Gauss map g X by a nowhere vanishing holomorphic function, subject to suitable period vanishing conditions on the Weierstrass data. Its main shortcoming is that one needs the initial conformal minimal immersion X already defined everywhere on M ; let us point out that, at that time, few open Riemann surfaces were known to be the underlying complex structure of a minimal surface in Theorem 4.1 is a compilation of results from the paper [23] by Alarcón and López where the existence and approximation was proved for conformal minimal immersions into R 3 , the paper [18] by the authors and López where the same was done in any dimension n ≥ 3, and the paper [5] by Alarcón and Castro-Infantes where interpolation was added.…”
“…Theorem 4.1 also admits a version in which all but two components of the initial immersion are preserved. The next theorem is a compilation of results from [5,11,18,23]. ) Assume in addition that X = (X 1 , .…”
In this paper we survey recent developments in the classical theory of minimal surfaces in Euclidean spaces which have been obtained as applications of both classical and modern complex analytic methods; in particular, Oka theory, period dominating holomorphic sprays, gluing methods for holomorphic maps, and the Riemann-Hilbert boundary value problem. Emphasis is on results pertaining to the global theory of minimal surfaces, in particular, the Calabi-Yau problem, constructions of properly immersed and embedded minimal surfaces in R n and in minimally convex domains of R n , results on the complex Gauss map, isotopies of conformal minimal immersions, and the analysis of the homotopy type of the space of all conformal minimal immersions from a given open Riemann surface.
“…Proceeding as before, we obtain a new spray of the same type with h j,k ∈ O(M ). It is elementary to see that the map (p, t) → φ j,k g(p)h j,k (p)t (f (p)) is tangent to f to order r at every point p ∈ P (see [5,Lemma 2.2]); hence the same holds for their composition Φ f . Remark 3.3.…”
Section: Oka Theorymentioning
confidence: 99%
“…This is for instance the case of the López-Ros deformation for minimal surfaces X : M → R 3 (see [80]) which amounts to multiplying the complex Gauss map g X by a nowhere vanishing holomorphic function, subject to suitable period vanishing conditions on the Weierstrass data. Its main shortcoming is that one needs the initial conformal minimal immersion X already defined everywhere on M ; let us point out that, at that time, few open Riemann surfaces were known to be the underlying complex structure of a minimal surface in Theorem 4.1 is a compilation of results from the paper [23] by Alarcón and López where the existence and approximation was proved for conformal minimal immersions into R 3 , the paper [18] by the authors and López where the same was done in any dimension n ≥ 3, and the paper [5] by Alarcón and Castro-Infantes where interpolation was added.…”
“…Theorem 4.1 also admits a version in which all but two components of the initial immersion are preserved. The next theorem is a compilation of results from [5,11,18,23]. ) Assume in addition that X = (X 1 , .…”
In this paper we survey recent developments in the classical theory of minimal surfaces in Euclidean spaces which have been obtained as applications of both classical and modern complex analytic methods; in particular, Oka theory, period dominating holomorphic sprays, gluing methods for holomorphic maps, and the Riemann-Hilbert boundary value problem. Emphasis is on results pertaining to the global theory of minimal surfaces, in particular, the Calabi-Yau problem, constructions of properly immersed and embedded minimal surfaces in R n and in minimally convex domains of R n , results on the complex Gauss map, isotopies of conformal minimal immersions, and the analysis of the homotopy type of the space of all conformal minimal immersions from a given open Riemann surface.
“…This section is devoted to proving Theorem 1.4 concerning properness of the approximating maps. Here we adapt the ideas that appear in [8,2] to our particular case. Theorem 1.4 is going to be proven using a recursive process similar to that used to prove our previous results.…”
Section: Carleman Approximation By Proper Immersionsmentioning
confidence: 99%
“…For every S-immersion F : S → C n (see Def. 2.3) and every positive continuous function ǫ : S → R + , there is an injective S-immersion F : R → C n such that needed to prove our gluing lemma, Lemma 3.1, are provided by [2,3,6]. In particular, we find [2, Lemma 3.3] especially useful.…”
Let R be an open Riemann surface. In this paper we prove that every continuous function M → R n , n ≥ 3, defined on a divergent Jordan arc M ⊂ R can be approximated in the Carleman sense by conformal minimal immersions; thus providing a new generalization of Carleman's theorem. In fact, we prove that this result remains true for null curves and many other classes of directed holomorphic immersions for which the directing variety satisfies a certain flexibility property. Furthermore, the constructed immersions may be chosen to be complete or proper under natural assumptions on the variety and the continuous map.As a consequence we give an approximate solution to a Plateau problem for divergent Jordan curves in the Euclidean spaces.
Let M be a Riemann surface biholomorphic to an affine algebraic curve. We show that the inclusion of the space ℜNC * (M, C n ) of real parts of nonflat proper algebraic null immersions M → C n , n ≥ 3, into the space CMI * (M, R n ) of complete nonflat conformal minimal immersions M → R n of finite total curvature is a weak homotopy equivalence. We also show that the (1, 0)-differential ∂, mapping CMI * (M, R n ) or ℜNC * (M, C n ) to the space A 1 (M, A) of algebraic 1-forms on M with values in the punctured null quadric A ⊂ C n \ {0}, is a weak homotopy equivalence. Analogous results are obtained for proper algebraic immersions M → C n , n ≥ 2, directed by a flexible or algebraically elliptic punctured cone in C n \ {0}.
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