Works by Hansen, Olaf

Results: 29

Safety with the senhance™ robotic system in 3,239 patients across various surgical disciplines.

Published in:

Langenbeck's Archives of Surgery, 2025, v. 410, n. 1, p. 1, doi. 10.1007/s00423-025-03772-y

By:

Staib, Ludger;
Willeke, Frank;
Stephan, Dietmar;
Menke, Vivianda;
Hansen, Olaf;
Samalavicius, Narimantas Evaldas;
Nausediene, Vaida;
Abendstein, Burghard;
Kulis, Tomislav;
Jackisch, Christian;
Lein, Michael;
Schmidt, Johannes;
Horst, Friedemann;
Möller, Mareike Kristina

Publication type:

Article

Multivariate quadrature of a singular integrand.

Published in:

Advances in Computational Mathematics, 2021, v. 47, n. 3, p. 1, doi. 10.1007/s10444-021-09869-4

By:

Atkinson, Kendall;
Chien, David;
Hansen, Olaf

Publication type:

Article

A spectral method for elliptic equations: the Neumann problem.

Published in:

Advances in Computational Mathematics, 2011, v. 34, n. 3, p. 295, doi. 10.1007/s10444-010-9154-3

By:

Atkinson, Kendall;
Hansen, Olaf;
Chien, David

Publication type:

Article

A spectral method for elliptic equations: the Dirichlet problem.

Published in:

Advances in Computational Mathematics, 2010, v. 33, n. 2, p. 169, doi. 10.1007/s10444-009-9125-8

By:

Atkinson, Kendall;
Chien, David;
Hansen, Olaf

Publication type:

Article

On the norm of the hyperinterpolation operator on the unit disc and its use for the solution of the nonlinear Poisson equation.

Published in:

IMA Journal of Numerical Analysis, 2009, v. 29, n. 2, p. 257, doi. 10.1093/imanum/drm052

By:

HANSEN, OLAF;
ATKINSON, KENDALL;
CHIEN, DAVID

Publication type:

Article

On the stability of the Collocation method for the Radiosity equation on polyhedral domains.

Published in:

IMA Journal of Numerical Analysis, 2002, v. 22, n. 3, p. 463, doi. 10.1093/imanum/22.3.463

By:

Hansen, Olaf

Publication type:

Article

Learning curves and procedural times in Senhance®-robotic assisted fundoplication: results from 237 consecutive patients undergoing robotic fundoplication in a single center as part of the European TRUST Robotic Surgery Registry Study.

Published in:

Surgical Endoscopy & Other Interventional Techniques, 2023, v. 37, n. 11, p. 8254, doi. 10.1007/s00464-023-10226-3

By:

Menke, Vivianda;
Kottmann, Tanja;
Willeke, Frank;
Hansen, Olaf

Publication type:

Article

ANALYSIS OF A SPHERICAL HARMONICS EXPANSION MODEL OF PLASMA PHYSICS.

Published in:

Mathematical Models & Methods in Applied Sciences, 2004, v. 14, n. 5, p. 759, doi. 10.1142/S021820250400343X

By:

Hansen, Olaf;
Jüngel, Ansgar

Publication type:

Article

Kistefos Museum: Transforming great architecture into buildable project.

Published in:

CE/Papers, 2019, v. 3, n. 3/4, p. 175, doi. 10.1002/cepa.1044

By:

Tornsberg, Niels;
Møller‐Hansen, Lars Olaf

Publication type:

Article

Psychophysical visual function, retinopathy, and glycemic control in insulin-dependent diabetics with normal visual acuity.

Published in:

Acta Ophthalmologica (1755375X), 1993, v. 71, n. 2, p. 230, doi. 10.1111/j.1755-3768.1993.tb04996.x

By:

Brinchmann-Hansen, Olaf;
Bangstad, Hans-Jacob;
Hultgren, Staale;
Fletcher, Robert;
Dahl-Jørgensen, Knut;
Hanssen, Kristian F.;
Sandvik, Leiv

Publication type:

Article

Oscillatory potentials, retinopathy, and long-term glucose control in insulin-dependent diabetes.

Published in:

Acta Ophthalmologica (1755375X), 1992, v. 70, n. 6, p. 705, doi. 10.1111/j.1755-3768.1992.tb04873.x

By:

Brinchmann-Hansen, Olaf;
Dahl-Jørgensen, Knut;
Hanssen, Kristian F.;
Sandvik, Leiv

Publication type:

Article

The response of the light reflex of retinal vessels to reduced blood pressure in hypertensive patients.

Published in:

Acta Ophthalmologica (1755375X), 1990, v. 68, n. 2, p. 155, doi. 10.1111/j.1755-3768.1990.tb01897.x

By:

Brinchmann-Hansen, Olaf;
Christensen, Carl C.;
Myhre, Kjell

Publication type:

Article

The effect of hypoxia on the central light reflex of retinal arteries and veins.

Published in:

Acta Ophthalmologica (1755375X), 1989, v. 67, n. 3, p. 249, doi. 10.1111/j.1755-3768.1989.tb01866.x

By:

Brinchmann-Hansen, Olaf;
Myhre, Kjell

Publication type:

Article

Psychophysical and electrophysiological testing of retinal function. Macular recovery time and oscillatory potentials in normal subjects.

Published in:

Acta Ophthalmologica (1755375X), 1989, v. 67, n. 2, p. 119, doi. 10.1111/j.1755-3768.1989.tb00739.x

By:

Brinchmann-Hansen, Olaf;
Myhre, Kjell;
Larsen, Stig

Publication type:

Article

The central light reflex of retinal arteries and veins in insulin-dependent diabetic subjects.

Published in:

Acta Ophthalmologica (1755375X), 1987, v. 65, n. 4, p. 474, doi. 10.1111/j.1755-3768.1987.tb07026.x

By:

Brinchmann-Hansen, Olaf;
Myhre, Kjell;
Dahl-Jørgensen, Knut;
Hanssen, Kristian F.;
Sandvik, Leiv

Publication type:

Article

The light reflex in retinal vessels and its relation to age and systemic blood pressure.

Published in:

Acta Ophthalmologica (1755375X), 1987, v. 65, n. 2, p. 206, doi. 10.1111/j.1755-3768.1987.tb07002.x

By:

Brinchmann-Hansen, Olaf;
Myhre, Kjell;
Sandvik, Leiv

Publication type:

Article

The intensity of the light reflex on retinal arteries and veins.

Published in:

Acta Ophthalmologica (1755375X), 1986, v. 64, n. 5, p. 547, doi. 10.1111/j.1755-3768.1986.tb06971.x

By:

Brinchmann-Hansen, Olaf;
Sandvik, Leiv

Publication type:

Article

The light streak on retinal vessels.

Published in:

Acta Ophthalmologica (1755375X), 1986, v. 64, p. 46, doi. 10.1111/j.1755-3768.1986.tb00703.x

By:

Brinchmann-Hansen, Olaf;
Engvold, O.

Publication type:

Article

Fundus photography of width and intensity profiles of the blood column and the light reflex in retinal vessels.

Published in:

Acta Ophthalmologica (1755375X), 1986, v. 64, p. 20, doi. 10.1111/j.1755-3768.1986.tb00699.x

By:

Brinchmann-Hansen, Olaf;
Heier, Halvor;
Myhre, Kjell

Publication type:

Article

The light streak on retinal vessels.

Published in:

Acta Ophthalmologica (1755375X), 1986, v. 64, p. 38, doi. 10.1111/j.1755-3768.1986.tb00702.x

By:

Brinchmann-Hansen, Olaf;
Engvold, O.

Publication type:

Article

Microphotometry of the blood column and the light streak on retinal vessels in fundus photographs.

Published in:

Acta Ophthalmologica (1755375X), 1986, v. 64, p. 9, doi. 10.1111/j.1755-3768.1986.tb00698.x

By:

Brinchmann-Hansen, Olaf;
Engvold, Oddbjørn

Publication type:

Article

Theoretical relations between light streak characteristics and optical properties of retinal vessels.

Published in:

Acta Ophthalmologica (1755375X), 1986, v. 64, p. 33, doi. 10.1111/j.1755-3768.1986.tb00701.x

By:

Brinchmann-Hansen, Olaf;
Heier, Halvor

Publication type:

Article

The apparent and true width of the blood column in retinal vessels.

Published in:

Acta Ophthalmologica (1755375X), 1986, v. 64, p. 29, doi. 10.1111/j.1755-3768.1986.tb00700.x

By:

Brinchmann-Hansen, Olaf;
Heier, Halvor

Publication type:

Article

Acknowledgments.

Published in:

Acta Ophthalmologica (1755375X), 1986, v. 64, p. 53, doi. 10.1111/j.1755-3768.1986.tb00704.x

By:

Brinchmann-Hansen, Olaf

Publication type:

Article

The width of the light reflex on retinal arteries and veins.

Published in:

Acta Ophthalmologica (1755375X), 1986, v. 64, n. 4, p. 433, doi. 10.1111/j.1755-3768.1986.tb06948.x

By:

Brinchmann-Hansen, Olaf;
Sandvik, Leiv

Publication type:

Article

Book Reviews.

Published in:

2001

By:

Hansen, Olaf

Publication type:

Book Review

Book reviews.

Published in:

1996

By:

Hansen, Olaf

Publication type:

Book Review

The mapping properties of the radiosity operator along an edge.

Published in:

Mathematical Methods in the Applied Sciences, 2002, v. 25, n. 12, p. 1075, doi. 10.1002/mma.329

By:

Hansen, Olaf

Publication type:

Article

Safety in Senhance™ Robotic Gastrointestinal Surgery in 530 Patients.

Published in:

Surgical Technology International, 2023, v. 42, p. 1

By:

STAIB, LUDGER;
POTH, CLEMENS;
SCHILCHER, FLORIAN;
HANSEN, OLAF;
MENKE, VIVIANDA;
STEPHAN, DIETMAR;
WILLEKE, FRANK

Publication type:

Article