GRAVITY: microarcsecond astrometry and deep interferometric imaging with the VLT (2009)
Eisenhauer, F., Perrin, G., Brandner, W., Straubmeier, C., Böhm, A., Baumeister, H., ...
GRAVITY: getting to the event horizon of Sgr A* (2008)
Eisenhauer, F., Perrin, G., Brandner, W., Straubmeier, C., Richichi, A., Gillessen, S., ...
We present the second-generation VLTI instrument GRAVITY, which currently is in the preliminary design phase. GRAVITY is specifically designed to observe highly relativistic motions of matter close...
Halogenated organic species over the tropical rainforest (2008)
Gebhardt, S., Colomb, A., Hofmann, R., Williams, J., Lelieveld, J.
Airborne measurements of the halogenated trace gases methyl chloride, methyl bromide and chloroform were conducted over the Atlantic Ocean and 1000 km of pristine tropical rainforest in Suriname and...
Halogenated organic species over the tropical rainforest (2008)
Gebhardt, S., Colomb, A., Hofmann, R., Williams, J., Lelieveld, J.
Airborne measurements of the halogenated trace gases methyl chloride, methyl bromide and chloroform were conducted over the Atlantic Ocean and 1000 km of pristine tropical rainforest in Suriname and...
GRAVITY: microarcsecond astrometry and deep interferometric imaging with the VLTI (2008)
Eisenhauer, F., Perrin, G., Straubmeier, C., Brandner, W., Boehm, A., Cassaing, F., ...
GRAVITY: getting to the event horizon of Sgr A* (2008)
Eisenhauer, F., Perrin, G., Brandner, W., Straubmeier, C., Richichi, A., Gillessen, S., ...
GRAVITY: microarcsecond astrometry and deep interferometric imaging with the VLTI (2008)
Eisenhauer, F., Perrin, G., Straubmeier, C., Brandner, W., Boehm, A., Cassaing, F., ...
We present the adaptive optics assisted, near-infrared VLTI instrument GRAVITY for precision narrow-angle astrometry and interferometric phase referenced imaging of faint objects. With its two fibers...
GRAVITY: getting to the event horizon of Sgr A* (2008)
Eisenhauer, F., Perrin, G., Brandner, W., Straubmeier, C., Richichi, A., Gillessen, S., ...
We present the second-generation VLTI instrument GRAVITY, which currently is in the preliminary design phase. GRAVITY is specifically designed to observe highly relativistic motions of matter close...
Halogenated organic species over the tropical South American rainforest (2008)
Gebhardt, S., Colomb, A., Hofmann, R., Williams, J., Lelieveld, J.
Halogenated organic species over the tropical South American rainforest (2008)
S. Gebhardt, A. Colomb, R. Hofmann, J. Williams, J. Lelieveld
Airborne measurements of the halogenated trace gases methyl chloride, methyl bromide and chloroform were conducted over the Atlantic Ocean and about 1000 km of pristine tropical rainforest in...
Halogenated organic species over the tropical rainforest (2008)
S. Gebhardt, A. Colomb, R. Hofmann, J. Williams, J. Lelieveld
Airborne measurements of the halogenated trace gases methyl chloride, methyl bromide and chloroform were conducted over the Atlantic Ocean and 1000 km of pristine tropical rainforest in Suriname and...
A. Hegele, R. Hofmann, B. Kosche, J. Kropf
Reliable markers for both renal cell carcinoma (RCC) and transitional cell carcinoma of the bladder (TCC) are lacking.During tumor progression and invasion components of extracellular matrix (ECM)...
LUCIFER status report - summer 2006 (2006)
Mandel, H. G., Appenzeller, I., Seifert, W., Baumeister, H., Feiz, C., ...
LUCIFER status report: Summer 2006 (2006)
Mandel, H. G., Appenzeller, I., Seifert, W., Baumeister, H., Dettmar, R. J., Feiz, C., ...
LUCIFER (LBT NIR Spectrograph Utility with Camera and Integral-Field Unit for Extragalactic Research) is a NIR spectrograph and imager for the LBT (Large Binocular Telescope) working in the...
Translational repression of C-elegans p53 by GLD-1 regulates DNA damage-induced apoptosis (2005)
Schumacher,B., Hanazawa,M., Lee,M. H., Nayak,S., Volkmann,K., Hofmann,R., ...
Translational repression of C. elegans p53 by GLD-1 regulates DNA damage-induced apoptosis. (2005)
Schumacher, B, Hanazawa, M, Lee, M H, Nayak, S, Volkmann, K, Hofmann, E R, ...
p53 is a tumor suppressor gene whose regulation is crucial to maintaining genome stability and for the apoptotic elimination of abnormal, potentially cancer-predisposing cells. C. elegans contains a...
Hofmann, R., Steinwender, C., Kammler, J., Kypta, A., Leisch, F.
Background Amiodarone, given as intravenous bolus has not yet been studied in patients with atrial fibrillation and a high ventricular rate. Methods One hundred consecutive patients with atrial...
Steinwender, C., Hofmann, R., Kypta, A., Leisch, F.
The LocaLisa� (LL) mapping-system (Medtronic Inc., Minneapolis, USA) provides non-fluoroscopic localisation of endocardial electrodes in a three-dimensional space and thus facilitates the movement...
SU(2) Yang-Mills thermodynamics: two-loop corrections to the pressure (2004)
Herbst, U., Hofmann, R., Rohrer, J.
We compute the two-loop corrections to the thermodynamical pressure of an SU(2) Yang-Mills theory being in its electric phase. Our results prove that the one-loop evolution of the effective gauge...
KMOS: an infrared multiple object integral field spectrograph for the ESO VLT (2004)
Sharples, R. M., Bender, R., Lehnert, M., Howat, S. K. Ramsay, Bremer, M. N., Davies, R. L., ...
LUCIFER status report – summer 2004 (2004)
Mandel, H., Appenzeller, I., Seifert, W., Baumeister, H., Bizenberger, P., ...
Flüssigkeitsionisationskammern für die Strahlentherapie. (2004)
Berghöfer, T., Engler, J., Hartmann, G., Hofmann, R., Hörandel, J.R.
Frühjahrstagung des Fachverbandes Strahlenphysik und Strahlenwirkung der DPG, München, 22.-26. März 2004
The Stellar Cusp Around the Supermassive Black Hole in the Galactic Center (2003)
Genzel, R., Schoedel, R., Ott, T., Eisenhauer, F., Hofmann, R., Lehnert, M., ...
We analyze deep near-IR adaptive optics imaging as well as new proper motion data of the nuclear star cluster of the Milky Way. The surface density distribution of faint stars peaks within 0.2" of...
Supersymmetric Models For Gauge Inflation (2003)
Hofmann, R., Correia, F. Paccetti, Schmidt, M. G., Tavartkiladze, Z.
We present possible realizations of gauge inflation arising from a 5D ${\cal N}=1$ supersymmetric U(1) model, where the extra dimension is compactified on a circle. A one-loop inflaton effective 4D...
Inward Bound: Studying the Galactic Centre with NAOS/CONICA (2003)
Ott, T., Schoedel, R., Genzel, R., Eckart, A., Lacombe, F., Rouan, D., ...
We report on the first results obtained using adaptive optics measurements of the Galactic Centre done with NAOS/CONICA.
Reshuffling the OPE: Delocalized Operator Expansion (2003)
A prescription for the short-distance expansion of Euclidean current correlators based on a delocalized modification of the multipole expansion of perturbative short-distance coefficient functions is...
V. Gros, J. Williams, G. Salisbury, R. Hofmann, M. G. Lawrence, ...
During the Mediterranean Intensive Oxidant Study MINOS in August 2001, 87 air samples were collected at the ground-based station Finokalia (35°19'N, 25°40'E) on the north coast of Crete and...
LUCIFER : a multi-mode NIR instrument for the LBT (2003)
Seifert, Walter, Appenzeller, I., Baumeister, H., Bizenberger, P., Bomans, D., ...
KMOS : an infrared multi-integral field spectrograph for the VLT (2003)
Sharples, R. M., Bender, R., Hofmann, R., Genzel, R., Ivison, R. J.
The stellar cusp around the supermassive black hole in the galactic center (2003)
Genzel, R., Schödel, R., Ott, T., Eisenhauer, F., Hofmann, R., Lehnert, M., ...
Inward bound: studying the Galactic Centre with NAOS/CONICA (2003)
Ott, T., Schödel, R., Genzel, R., Eckart, A., Lacombe, F., Rouan, D., ...
Reshuffling the OPE: Delocalized Operator Expansion (2003)
A prescription for the short-distance expansion of Euclidean current correlators based on a delocalized modification of the multipole expansion of perturbative short-distance coefficient functions is...
The stellar cusp around the supermassive black hole in the galactic center (2003)
Genzel, R., Schödel, R., Ott, T., Eisenhauer, F., Hofmann, R., Lehnert, M., ...
We analyze deep near-IR adaptive optics imaging (taken with NAOS/CONICA on the Very Large Telescope at the European Southern Observatory, Chile), as well as new proper-motion data of the nuclear star...
Inward bound: Studying the galactic centre with NAOS/CONICA (2003)
Ott, T., Schödel, R., Genzel, R., Eckart, A., Lacombe, F., Rouan, D., ...
Not Available
Gros, V., Williams, J., Van Aardenne, J. A., Salisbury, G., Hofmann, R., Lawrence, M. G., ...
During the Mediterranean Intensive Oxidant Study MINOS in August 2001, 87 air samples were collected at the ground-based station Finokalia (35° 19' N, 25° 40' E) on the north coast of Crete and...
Gros, V., Williams, J., Van Aardenne, J. A., Salisbury, G., Hofmann, R., Lawrence, M. G., ...
During the Mediterranean Intensive Oxidant Study MINOS in August 2001, 87 air samples were collected at the ground-based station Finokalia (35°19'N, 25°40'E) on the north coast of Crete and...
Gros, V., Williams, J., Van Aardenne, J. A., Salisbury, G., Hofmann, R., Lawrence, M. G., ...
During the Mediterranean Intensive Oxidant Study MINOS in August 2001, 87 air samples were collected at the ground-based station Finokalia (35° 19' N, 25° 40' E) on the north coast of Crete and...
Gros, V., Williams, J., Van Aardenne, J. A., Salisbury, G., Hofmann, R., Lawrence, M. G., ...
During the Mediterranean Intensive Oxidant Study MINOS in August 2001, 87 air samples were collected at the ground-based station Finokalia (35°19'N, 25°40'E) on the north coast of Crete and...
Eine fein segmentierte Flüssigkeitsionisationskammer für die Strahlentherapie. (2003)
Eberle, K., Engler, J., Hartmann, G., Hofmann, R., Hörandel, J.R.
Frühjahrstagung des Fachverbandes Teilchenphysik der DPG, Aachen, 10.-13. März 2003
Liquid ionization chambers as monitors for radiation theory. (2003)
Berghöfer, T., Eberle, K., Engler, J., Hartmann, G., Hofmann, R., Hörandel, J.R.
Medical Imaging Conf., Portland, Or., October 19-25, 2003
First tests of a liquid ionization chamber to monitor intensity modulated radiation beams. (2003)
Eberle, K., Engler, J., Hartmann, G., Hofmann, R., Hörandel, J.R.
Physics in Medicine and Biology, 48(2003) S.3555-64
Closest Star Seen Orbiting the Supermassive Black Hole at the Centre of the Milky Way (2002)
Schodel, R., Ott, T., Genzel, R., Hofmann, R., Lehnert, M., Eckart, A., ...
Measurements of stellar velocities and variable X-ray emission near the centre of the Milky Way have provided the strongest evidence so far that the dark mass concentrations seen in many galactic...
Reshuffling the OPE: Delocalized Operator Expansion (2002)
A prescription for the short-distance expansion of Euclidean current correlators based on a delocalized modification of the multipole expansion of perturbative short-distance coefficient functions is...
Note on finite temperature sum rules for vector and axial-vector spectral functions (2002)
Marco,E., Hofmann,R., Weise,W.
An updated analysis of vector and axial-vector spectral functions is presented. The resonant contributions to the spectral integrals are shown to be expressible as multiples of 4 pi^2 f_pi^2,...
A star in a 15.2-year orbit around the supermassive black hole at the centre of the Milky Way (2002)
Schödel, R., Ott, T., Genzel, R., Hofmann, R., Lehnert, M., Eckart, A., ...
Many galaxies are thought to have supermassive black holes at their centres(1)-more than a million times the mass of the Sun. Measurements of stellar velocities(2-7) and the discovery of variable...
CROMOS: a cryogenic near-infrared, multi-object spectrometer for the VLT (2002)
Genzel, R., Hofmann, R., Tomono, D., Thatte, N., Eisenhauer, F., Lehnert, M., ...
NAOS+CONICA at YEPUN: first VLT adaptive optics system sees first light (2002)
Brandner, W., Rousset, G., Lenzen, R., Hubin, N., Lacombe, F., Hofmann, R., ...
A star in a 15.2-year orbit around the supermassive black hole at the centre of the Milky Way (2002)
Schödel, R., Ott, T., Genzel, R., Hofmann, R., Lehnert, M., Eckart, A., ...
Many galaxies are thought to have supermassive black holes at their centres(1)-more than a million times the mass of the Sun. Measurements of stellar velocities(2-7) and the discovery of variable...
Trace gas measurements along the Trans-Siberian railroad: The TROICA 5 expedition (2002)
Oberlander, E. A., Brenninkmeijer, C. A. M., Crutzen, P. J., Elansky, N. F., Golitsyn, G. S., Granberg, I. G., ...
[1] The chemical composition of the surface boundary layer over the Eurasian continent is still an area of high uncertainty. In the framework of the Trans-Siberian Observations Into the Chemistry of...
A star in a 15.2-year orbit around the supermassive black hole at the centre of the Milky Way (2002)
Schödel, R., Ott, T., Genzel, R., Hofmann, R., Lehnert, M., Eckart, A., ...
NAOS+CONICA at YEPUN: First VLT Adaptive Optics System Sees First Light (2002)
Brandner, W., Rousset, G., Lenzen, R., Hubin, N., Lacombe, F., Hofmann, R., ...
Note on finite temperature sum rules for vector and axial-vector spectral functions (2002)
Marco, E., Hofmann, R., Weise, W.
An updated analysis of vector and axial-vector spectral functions is presented. The resonant contributions to the spectral integrals are shown to be expressible as multiples of 4 pi^2 f_pi^2,...
Note on finite temperature sum rules for vector and axial-vector spectral functions (2001)
Marco, E., Hofmann, R., Weise, W.
An updated analysis of vector and axial-vector spectral functions is presented. The resonant contributions to the spectral integrals are shown to be expressible as multiples of 4 pi^2 f_pi^2,...
CROMOS: A cryogenic near-infrared, multi-object spectrometer for the VLT (2001)
Genzel, R., Hofmann, R., Tomono, D., Thatte, N., Eisenhauer, F., Lehnert, M., ...
We discuss a cryogenic, multi-object near-infrared spectrometer as a second generation instrument for the VLT. The spectrometer combines 20 to 40 independent integral eld units (IFUs), which can be...
Flüssigkeitsionisationskammern in der Strahlentherapie. (2001)
Engler, J., Hörandel, J.R., Hartmann, G., Hofmann, R.
Nachrichten - Forschungszentrum Karlsruhe, 33(2001) S.201-04
BPS Saturated Domain Walls along a Compact Dimension (2000)
Generalized Wess-Zumino models which admit topologically non-trivial BPS saturated configurations along one compact, spatial dimension are investigated in various dimensions of space-time. We show...
Vacuum structure of a modified MIT Bag (2000)
Hofmann, R., Gutsche, T., Schumann, M., Viollier, R. D.
An alternative to introducing and subsequently renormalizing classical parameters in the expression for the vacuum energy of the MIT bag for quarks is proposed in the massless case by appealing to...
Eisenhauer, F., Tecza, M., Thatte, N., Mengel, S., Hofmann, R., Genzel, R.
Integral-field-spectroscopy and multi-object-spectroscopy provide the high multiplex gain required for efficient use of the upcoming generation of extremely large telescopes. We present instrument...
Thermal QCD sum rules in the $\rho^0$ channel revisited (1999)
Hofmann, R., Gutsche, T., Faessler, Amand
From the hypothesis that at zero temperature the square root of the spectral continuum threshold $s_0$ is linearly related to the QCD scale $\Lambda$ we derive in the chiral limit and for...
Hofmann, R., Faessler, Amand, Gutsche, Th.
Quantum Hadrodynamics in mean field approximation describes the effective nucleon-nucleus potential (about -50 MeV deep) as resulting from a strong repulsive vector (about 400 MeV) and a strong...
Leitel, A., Fischer, A., Hofmann, R., Hage, K., Meissner, H., Wehrsdorfer, E.
NOVELTY - The arrangement includes at least two lenses or lens groups arranged on a common optic axis, which are coupled with piezoelectric or electro-restrictive, linear drives, whereby an active...
Model-Independent Mean Field Theory as a Local Method for Approximate (1999)
We present a systematic approach to mean eld theory (MFT) in a general probabilistic setting without assuming a particular model. The mean eld equations derived here may serve as a local and thus...
Mean Field Inference in a General Probabilistic Setting (1999)
We present a systematic, model-independent formulation of mean field theory (MFT) as an inference method in probabilistic models. "Model-independent" means that we do not assume a...
Model-Independent Mean Field Theory as a Local Method for Approximate (1999)
We present a systematic approach to mean £eld theory (MFT) in a general probabilistic setting without assuming a particular model. The mean £eld equations derived here may serve as a local and thus...
Calculation of the Regularized Vacuum Energy in Cavity Field Theories (1998)
Hofmann, R., Schumann, M., Viollier, R. D.
A novel technique based on Schwinger's proper time method is applied to the Casimir problem of the M.I.T. bag model. Calculations of the regularized vacuum energies of massless scalar and Dirac...
In-situ Untersuchungen zur Sinterung von Aluminiumnitrid-Keramik (1998)
Jacobsen, L., Hofmann, R., Zimmer, J., Raether, F., Müller, G.
Determination of the thermal diffusivity in diathermal materials by the laser-flash technique (1998)
Exchange of reduced sulfur compounds between the biosphere and the atmosphere (1997)
Kesselmeier, J, Bartell, U, Blezinger, S, Conze, W, Gries, C, Hilse, C, ...
M. Haft, R. Hofmann, Volker Tresp
We present a systematic approach to mean field theory (MFT) in a general probabilistic setting without assuming a particular model. The mean field equations derived here may serve as a local and thus...
We present a systematic approach to mean field theory (MFT) in a general probabilistic setting without assuming a particular model and avoiding physical notation. The mean field equations derived...
Telearbeit und Telekooperation: Formen und Modelle, Szenarien und Bedarf (1995)
Baldi, B., Brettreich-Teichmann, W., Graeslund, K., Hofmann, R., Konrad, P., Krcmar, H., ...
Das Projekt BTOEV: Bedarf für Telekooperation in öffentlichen Verwaltungen (1995)
Baldi, B., Brettreich-Teichmann, W., Graeslund, K., Hofmann, R., Konrad, P., Krcmar, H., ...
Bedarf für Telekooperation bei öffentlichen Verwaltungen (1995)
Baldi, B., Brettreich-Teichmann, W., Graeslund, K., Hofmann, R., Konrad, P., Niemeier, J., ...
Monitoring and Modelling of a Distributed ISDN Test System (1995)
Dussa-Zieger Ettl, M. Ettl, R. Hofmann
Conformance testing of communication protocols has recently become a major issue in the context of OSI-based standardization of protocols. The aim of conformance testing is to assure that a protocol...
DE 3701485 A UPAB: 19930923 The roof support beams (8) of a tunnel or mine gallery are placed in position by means of a device which can be extended telescopically and which has a gripping device (1)...
The MPE imaging beam combiner simulator COSI (1994)
Böker, T., Cruzalebes, P., Hofmann, R., Katterloher, R., Eckart, A., Genzel, R., ...
The true nucleus of NGC 253 revealed by high-resolution near-infrared imaging (1994)
Sams III, Bruce J., Genzel, R., Eckart, A., Tacconi-Garman, L., Hofmann, R.
Design and construction of the MPE beam combiner simulator COSI (1994)
Katterloher, R., Böker, T., Eckart, A., Hofmann, R., Jakob, G., Quirrenbach, A., ...
Recent results from the imaging beam combiner simulator COSI at the MPE (1994)
Eckart, A., Böker, T., Hofmann, R., Katterloher, R., Quirrenbach, A., Löwe, M., ...
Distributed Performance Monitoring: Methods, Tools and Applications (1994)
R. Hofmann, R. Klar, B. Mohr, A. Quick, M. Siegle
A method for analyzing the functional behavior and the performance of programs in distributed systems is presented. We use hybrid monitoring, a technique which combines advantages of both software...
World Court Digest - Volume 1 : 1986-1990 (1993)
R. Hofmann, Juliane Kokott, K. Oellers-Frahm, S. Oeter, Andreas Zimmermann
Chronic (or healed) myocarditis mimicking arrhythmogenic right ventricular dysplasia (1993)
HOFMANN, R., KLEIN, H., KEMNITZ, J.
The aetiology of arrhythmogenic right ventricular dysplasia is still unknown, and there are few reports on familial coincidence in the literature. A case of a previously healthy man with an episode...
Leisch, F, Harringer, W, Kerschner, K, Hofmann, R, Feirer, G, Schutzenberger, W
To examine the importance of coronary spasm for recurrences following coronary angioplasty, the incidence of spontaneous and ergonivine-provoked coronary spasm was studied, during initial and 6...
Vorrichtung zum Streckenausbau (1989)
Wanner, M.C., Hofmann, R., Finkbeiner, E.
Eine Vorrichtung zum Streckenausbau, bei der vorgefertigte Ausbausegmente, die dem Profil der auszubauenden Strecke angepasst sind, vor Ort zu ganzen Ausbauboegen zusammengefuegt werden, besteht aus...
Vorrichtung zum Positionieren von in einer Reihe angeordneten Teilen mit Greifern (1989)
DE 3701484 A UPAB: 19930923 The roof support beams (10) of a tunnel or mining gallery are placed in position by grippers mounted on a horizontal rail (5). Three types of gripper are used. The first...
Vorrichtung zum gleichzeitigen Positionieren von in einer Reihe angeordneten Teilen (1989)
DE 3701486 A UPAB: 19930923 The device is for placing roof support beams (13) of a tunnel or mine gallery in position and at the required spacing one from another. The beams are held by grippers (1)...
Messeinrichtung zur Erfassung der Position und Orientierung eines Koerpers (1987)
Schiele, G., Kaspar, K., Hofmann, R., Schwarz, R., Riedl, M.
Beschrieben wird eine Messeinrichtung zur Erfassung der Position und Orientierung eines Koerpers relativ zu einem ortsfesten Bezugselement, die insbesondere zur Ueberpruefung eines...
ACTIVE TARGET TRIGGER FOR CHARM SEARCH IN NA32. (1986)
Bohringer, T, Bailey, R, Bosman, M, Chabaud, V, Daum, C, Damerell, C, ...
In *Como 1983, Proceedings, Physics In Collision/search For Heavy Flavours*, 455-458
Schiele, G., Hofmann, R., Furgac, I., Diep, T.v., Kunzmann, H., Waeldele, F., ...
Um die Positioniergenauigkeit der Werkzeugaufnahme (25) eines Industrieroboters am Einsatzort ueberpruefen zu koennen, sind mehrere an einem Ende vorzugsweise mittels permanentmagnetischer...
Rechnergestuetztes flexibles Fertigungssystem Ankerfertigung. (1979)
Frank, H.E., Feeser, T., Hofmann, R., Kohlert, R., Klitzke, K., Woessner, H., ...
KfK-PDV 173 (Dezember 78)
Pseudo-pericardial tamponade after perforation of the right coronary artery
Steinwender, C, Hofmann, R, Leisch, F
A case of perforation of the right coronary artery, which was complicated by an intramural right ventricular haematoma with pseudo-pericardial tamponade resulting in fatal asystole, is presented.
Hofmann, R, Kypta, A, Steinwender, C, Kerschner, K, Grund, M, Leisch, F
Objective: To assess the incidence, morphology, and associated clinical symptoms of coronary artery disease in patients undergoing elective carotid artery stenting.
Hegele, A., Hofmann, R., Kosche, B., Kropf, J.
Reliable markers for both renal cell carcinoma (RCC) and transitional cell carcinoma of the bladder (TCC) are lacking.