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- Mario Bonk, Bruce Kleiner
- 2001

According to the classical uniformization theorem, every smooth Riemannian surface Z homeomorphic to the 2-sphere is conformally diffeomorphic to S (the unit sphere in R equipped with the Riemannianâ€¦ (More)

It is shown that a Gromov hyperbolic geodesic metric space X with bounded growth at some scale is roughly quasi-isometric to a convex subset of hy-perbolic space. If one is allowed to rescale theâ€¦ (More)

- Johannes von Lintig, Ralf Welsch, Mario Bonk, Giovanni Giuliano, Alfred Batschauer, Hans Kleinig
- The Plant journal : for cell and molecularâ€¦
- 1997

In chloroplasts, carotenoids are essential pigments involved in photosynthesis. During-photomorphogenesis, a coordinated increase in the amounts of chlorophylls and carotenoids, in conjugation withâ€¦ (More)

- Mario Bonk, Bruce Kleiner
- 2006

If a group acts by uniformly quasi-MÃ¶bius homeomorphisms on a compact Ahlfors n-regular space of topological dimension n such that the induced action on the space of distinct triples is cocompact,â€¦ (More)

- Mario Bonk, Urs Lang
- 2006

We consider surfaces Z homeomorphic to the plane with complete, possibly singular Riemannian metrics. If we have âˆ« Z K < 2Ï€ âˆ’ for the positive and âˆ« Z Kâˆ’ < C for the negative part of the integralâ€¦ (More)

- Mario Bonk, Beate Hoffmann, +5 authors Peter Beyer
- European journal of biochemistry
- 1997

The precursor proteins of the carotenogenic enzymes geranylgeranyl diphosphate synthase, phytoene synthase, phytoene desaturase and lycopene cyclase were imported into isolated pea chloroplasts.â€¦ (More)

- Mario Bonk, Bruce Kleiner
- 2002

Suppose G is a Gromov hyperbolic group, and âˆ‚âˆžG is quasisymmetrically homeomorphic to an Ahlfors Qâ€“regular metric 2â€“sphere Z with Ahlfors regular conformal dimension Q. Then G acts discretely,â€¦ (More)

We define a notion of an asymptotic upper curvature bound for Gromov hyperbolic metric spaces that is invariant under rough-isometries and examine the basic properties of this concept.

Which nonnegative functions can arise, up to a bounded multiplicative error, as Jacobian determinants Jf(x) = det(Df(x)) of quasiconformal mappings f : R n â†’ R, n â‰¥ 2? Which metric spaces areâ€¦ (More)

- Mario Bonk
- 2006

Many questions in analysis and geometry lead to problems of quasiconformal geometry on non-smooth or fractal spaces. For example, there is a close relation of this subject to the problem ofâ€¦ (More)