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51

Hierarchical matrix approximation with blockwise constraints

Bebendorf, M., Bollhöfer, M., Bratsch, M.

Journal:

BIT Numerical Mathematics

Year:

2013

Language:

english

File:

PDF, 957 KB

english, 2013

52

Complete pivoting strategy for the left-looking Robust Incomplete Factorization preconditioner

Rafiei, Amin, Tolue, Behnaz, Bollhöfer, Matthias

Journal:

Computers & Mathematics with Applications

Year:

2014

Language:

english

File:

PDF, 395 KB

english, 2014

53

Variability of atmospheric krypton-85 activity concentrations observed close to the ITCZ in the southern hemisphere

Bollhöfer, A., Schlosser, C., Ross, J.O., Sartorius, H., Schmid, S.

Journal:

Journal of Environmental Radioactivity

Year:

2014

Language:

english

File:

PDF, 1.24 MB

english, 2014

54

Radium concentration factors in passionfruit (Passiflora foetida) from the Alligator Rivers Region, Northern Territory, Australia

Medley, Peter, Bollhöfer, Andreas, Parry, David, Martin, Paul

Journal:

Journal of Environmental Radioactivity

Year:

2013

Language:

english

File:

PDF, 756 KB

english, 2013

55

Establishing a database of radionuclide transfer parameters for freshwater wildlife

Yankovich, T., Beresford, N.A., Fesenko, S., Fesenko, J., Phaneuf, M., Dagher, E., Outola, I., Andersson, P., Thiessen, K., Ryan, J., Wood, M.D., Bollhöfer, A., Barnett, C.L., Copplestone, D.

Journal:

Journal of Environmental Radioactivity

Year:

2013

Language:

english

File:

PDF, 343 KB

english, 2013

56

Preface to the 17th ILAS Conference ‘Pure and Applied Linear Algebra: The New Generation’ Proceedings, Braunschweig, Germany, 2011

Bollhöfer, Matthias, Faßbender, Heike, Bapat, Ravi, Dopico, Froilán M.

Journal:

Linear Algebra and its Applications

Year:

2013

Language:

english

File:

PDF, 199 KB

english, 2013

57

On Large-Scale Diagonalization Techniques for the Anderson Model of Localization

Olaf Schenk, Matthias Bollhöfer and Rudolf A. Römer

Journal:

Year:

2008

Language:

english

File:

PDF, 2.43 MB

english, 2008

58

Tracing the Origin of Pollution in French Alpine Snow and Aerosols Using Lead Isotopic Ratios

Veysseyre, Audrey M., Bollhöfer, Andreas F., Rosman, Kevin J. R., Ferrari, Christophe P., Boutron, Claude F.

Journal:

Environmental Science & Technology

Year:

2001

Language:

english

File:

PDF, 106 KB

english, 2001

59

228Ra and 226Ra measurement on a BaSO4 co-precipitation source

Medley, Peter, Martin, Paul, Bollhöfer, Andreas, Parry, David

Journal:

Applied Radiation and Isotopes

Year:

2015

Language:

english

File:

PDF, 609 KB

english, 2015

60

Influence of phase transfer catalyst structure on the E:Z ratio in the O-alkylation of an enolate

Volker Dehmlow, Eckehard, Kaiser, Michael, Bollhöfer, Jörg

Journal:

New Journal of Chemistry

Year:

2001

Language:

english

File:

PDF, 82 KB

english, 2001

61

Predicting exposure of wildlife in radionuclide contaminated wetland ecosystems

Stark, K., Andersson, P., Beresford, N.A., Yankovich, T.L., Wood, M.D., Johansen, M.P., Vives i Batlle, J., Twining, J., Keum, D.-K., Bollhöfer, A., Doering, C., Ryan, B., Grzechnik, M., Vandenhove, H

Journal:

Environmental Pollution

Year:

2015

Language:

english

File:

PDF, 1.81 MB

english, 2015

62

[IEEE 2014 IEEE 13th International Symposium on Parallel and Distributed Computing (ISPDC) - France (2014.6.24-2014.6.27)] 2014 IEEE 13th International Symposium on Parallel and Distributed Computing - Leveraging Data-Parallelism in ILUPACK using Graphics Processors

Aliaga, Jose I., Bollhofer, Matthias, Dufrechou, Ernesto, Ezzatti, Pablo, Quintana-Orti, Enrique S.

Year:

2014

Language:

english

File:

PDF, 205 KB

english, 2014

63

[IEEE 2008 International Conference on Simulation of Semiconductor Processes and Devices (SISPAD 2008) - Hakone-Machi, Kanagawa (2008.09.9-2008.09.11)] 2008 International Conference on Simulation of Semiconductor Processes and Devices - A deterministic Boltzmann equation solver for two-dimensional semiconductor devices

Sung-Min Hong,, Jungemann, Christoph, Bollhofer, Matthias

Year:

2008

Language:

english

File:

PDF, 538 KB

english, 2008

64

A modified adaptive-order rational Arnoldi method for model order reduction

Bodendiek, André, Bollhöfer, Matthias

Journal:

Year:

2013

Language:

english

File:

PDF, 87 KB

english, 2013

65

Combinatorial Aspects in Sparse Elimination Methods

Bollhöfer, Matthias, Schenk, Olaf

Journal:

GAMM-Mitteilungen

Year:

2006

Language:

english

File:

PDF, 336 KB

english, 2006

66

A standard design for collecting vegetation reference spectra: Implementation and implications for data sharing

Pfitzner, K., Bollhöfer, A., Carr, G.

Journal:

Journal of Spatial Science

Year:

2006

Language:

english

File:

PDF, 1016 KB

english, 2006

67

Numerical Algebra, Matrix Theory, Differential-Algebraic Equations and Control Theory || Permuted Graph Matrices and Their Applications

Benner, Peter, Bollhöfer, Matthias, Kressner, Daniel, Mehl, Christian, Stykel, Tatjana

Year:

2015

Language:

english

File:

PDF, 320 KB

english, 2015

68

Numerical Algebra, Matrix Theory, Differential-Algebraic Equations and Control Theory || Theory and Numerical Solution of Differential and Algebraic Riccati Equations

Benner, Peter, Bollhöfer, Matthias, Kressner, Daniel, Mehl, Christian, Stykel, Tatjana

Year:

2015

Language:

english

File:

PDF, 465 KB

english, 2015

69

Numerical Algebra, Matrix Theory, Differential-Algebraic Equations and Control Theory || Distance Problems for Linear Dynamical Systems

Benner, Peter, Bollhöfer, Matthias, Kressner, Daniel, Mehl, Christian, Stykel, Tatjana

Year:

2015

Language:

english

File:

PDF, 417 KB

english, 2015

70

Technically enhanced naturally occurring radionuclides (TENORM) in phosphogypsum: Comparison CCRI(II)-S5

Shakhashiro, A, Sansone, U, Wershofen, H, Bollhöfer, A, Kim, C K, Kim, C S, Korun, M, Moune, M, Lee, S H, Tarjan, S

Journal:

Year:

2010

Language:

english

File:

PDF, 829 KB

english, 2010

71

Numerical Algebra, Matrix Theory, Differential-Algebraic Equations and Control Theory || Spectrum-Based Robust Stability Analysis of Linear Delay Differential-Algebraic Equations

Benner, Peter, Bollhöfer, Matthias, Kressner, Daniel, Mehl, Christian, Stykel, Tatjana

Year:

2015

Language:

english

File:

PDF, 340 KB

english, 2015

72

Numerical Algebra, Matrix Theory, Differential-Algebraic Equations and Control Theory || DAEs in Applications

Benner, Peter, Bollhöfer, Matthias, Kressner, Daniel, Mehl, Christian, Stykel, Tatjana

Year:

2015

Language:

english

File:

PDF, 525 KB

english, 2015

73

Long-term temporal variability of the radon-222 exhalation flux from a landform covered by low uranium grade waste rock

Bollhöfer, Andreas, Doering, Che

Journal:

Journal of Environmental Radioactivity

Year:

2015

Language:

english

File:

PDF, 1000 KB

english, 2015

74

[IEEE 2014 26th International Symposium on Computer Architecture and High Performance Computing (SBAC-PAD) - Jussieu, Paris, France (2014.10.22-2014.10.24)] 2014 IEEE 26th International Symposium on Computer Architecture and High Performance Computing - Leveraging Task-Parallelism with OmpSs in ILUPACK's Preconditioned CG Method

Aliaga, J.I., Badia, R.M., Barreda, M., Bollhofer, M., Quintana-Orti, E.S.

Year:

2014

Language:

english

File:

PDF, 759 KB

english, 2014

75

Numerical Algebra, Matrix Theory, Differential-Algebraic Equations and Control Theory || Regularization of Descriptor Systems

Benner, Peter, Bollhöfer, Matthias, Kressner, Daniel, Mehl, Christian, Stykel, Tatjana

Year:

2015

Language:

english

File:

PDF, 252 KB

english, 2015

76

A soil radiological quality guideline value for wildlife-based protection in uranium mine rehabilitation

Doering, Che, Bollhöfer, Andreas

Journal:

Journal of Environmental Radioactivity

Year:

2015

Language:

english

File:

PDF, 912 KB

english, 2015

77

Influence of group II metals on Radium-226 concentration ratios in the native green plum (Buchanania obovata) from the Alligator Rivers Region, Northern Territory, Australia

Medley, Peter, Bollhöfer, Andreas

Journal:

Journal of Environmental Radioactivity

Year:

2015

Language:

english

File:

PDF, 694 KB

english, 2015

78

Die Kölner Verkehrs-Betriebe AG: Ein Unternehmensporträt

Dieter Bollhöfer

Journal:

Zeitschrift für öffentliche und gemeinwirtschaftliche Unternehmen: ZögU / Journal for Public and Nonprofit Services

Year:

1986

Language:

german

File:

PDF, 559 KB

german, 1986

79

South Pacific Environmental Radioactivity Association (SPERA): 2014 conference

Bollhöfer, Andreas, Doering, Che

Journal:

Journal of Environmental Radioactivity

Year:

2016

Language:

english

File:

PDF, 137 KB

english, 2016

80

Exploiting task and data parallelism in ILUPACK’s preconditioned CG solver on NUMA architectures and many-core accelerators

Aliaga, José I., Badia, Rosa M., Barreda, Maria, Bollhöfer, Matthias, Dufrechou, Ernesto, Ezzatti, Pablo, Quintana-Ortí, Enrique S.

Journal:

Parallel Computing

Year:

2016

Language:

english

File:

PDF, 1.47 MB

english, 2016

81

Fractional iron solubility of atmospheric iron inputs to the Southern Ocean

Winton, V.H.L., Bowie, A.R., Edwards, R., Keywood, M., Townsend, A.T., van der Merwe, P., Bollhöfer, A.

Journal:

Marine Chemistry

Year:

2015

Language:

english

File:

PDF, 2.99 MB

english, 2015

82

Regioselective alkylation of anthrone, 5,5-dimethyl-3-isoxazolidinone and 4-methylquinolone by phase transfer catalysis

Dehmlow, Eckehard Volker, Bollhöfer, Jörg, Thye, Gorden

Journal:

Journal of Chemical Research

Year:

2001

Language:

english

File:

PDF, 44 KB

english, 2001

83

A tool for calculating concentration ratios from large environmental datasets

Doering, Che, Bollhöfer, Andreas

Journal:

Journal of Environmental Radioactivity

Year:

2016

Language:

english

File:

PDF, 211 KB

english, 2016

84

A database of radionuclide activity and metal concentrations for the Alligator Rivers Region uranium province

Doering, Che, Bollhöfer, Andreas

Journal:

Journal of Environmental Radioactivity

Year:

2016

Language:

english

File:

PDF, 741 KB

english, 2016

85

The IUR Forum: Worldwide Harmonisation of Networks to Support Integration of Scientific Knowledge and Consensus Development in Radioecology

Bréchignac, F., Alexakhin, R., Bollhöfer, A., Frogg, K.E., Hardeman, F., Higley, K., Hinton, T.G., Kapustka, L.A., Kuhne, W., Leonard, K., Masson, O., Nanba, K., Smith, G., Smith, K., Strand, P., Vand

Journal:

Radiation Protection Dosimetry

Year:

2016

Language:

english

File:

PDF, 228 KB

english, 2016

86

Causal models for a risk-based assessment of stressor pathways for an operational uranium mine

Bartolo, Renée, Harford, Andrew J, Bollhöfer, Andreas, van Dam, Rick A, Parker, Scott, Breed, Krissy, Erskine, Wayne, Humphrey, Chris L, Jones, David

Journal:

Human and Ecological Risk Assessment An International Journal

Year:

2017

Language:

english

File:

PDF, 1.08 MB

english, 2017

87

Estimating doses from Aboriginal bush foods post-remediation of a uranium mine

Doering, Che, Bollhöfer, Andreas, Medley, Peter

Journal:

Journal of Environmental Radioactivity

Year:

2017

Language:

english

File:

PDF, 716 KB

english, 2017

88

On the spectral equivalence of hierarchical matrix preconditioners for elliptic problems

Bebendorf, M., Bollhöfer, M., Bratsch, M.

Journal:

Mathematics of Computation

Year:

2016

Language:

english

File:

PDF, 394 KB

english, 2016

89

Water hardness determines 226 Ra uptake in the tropical freshwater mussel

Doering, Che, Bollhöfer, Andreas

Journal:

Journal of Environmental Radioactivity

Year:

2017

Language:

english

File:

PDF, 1.91 MB

english, 2017

90

Natural radionuclides and stable elements in weaver ants ( Oecophylla smaragdina ) from tropical northern Australia

Medley, Peter, Doering, Che, Evans, Fiona, Bollhöfer, Andreas

Journal:

Journal of Environmental Radioactivity

Year:

2017

Language:

english

File:

PDF, 722 KB

english, 2017

91

Whole-organism concentration ratios in wildlife inhabiting Australian uranium mining environments

Hirth, Gillian A., Johansen, Mathew P., Carpenter, Julia G., Bollhöfer, Andreas, Beresford, Nicholas A.

Journal:

Journal of Environmental Radioactivity

Year:

2017

Language:

english

File:

PDF, 1.54 MB

english, 2017

92

Communication in task-parallel ILU-preconditioned CG solvers using MPI + OmpSs

Aliaga, José I., Barreda, María, Flegar, Goran, Bollhöfer, Matthias, Quintana-Ortí, Enrique S.

Journal:

Concurrency and Computation: Practice and Experience

Year:

2017

Language:

english

File:

PDF, 3.40 MB

english, 2017

93

[ACM Press the 9th International Workshop - Vienna, Austria (2018.02.24-2018.02.28)] Proceedings of the 9th International Workshop on Programming Models and Applications for Multicores and Manycores - PMAM'18 - Extending ILUPACK with a Task-Parallel Version of BiCG for Dual-GPU Servers

Aliaga, José I., Bollhöfer, Matthias, Dufrechou, Ernesto, Ezzatti, Pablo, Quintana-Ortí, Enrique S.

Year:

2018

Language:

english

File:

PDF, 633 KB

english, 2018

94

Development of 231Pa AMS measurements to improve radiological dose assessment from uranium mining and milling

Medley, Peter, Tims, Stephen G., Froehlich, Michaela B., Fifield, L. Keith, Bollhöfer, Andreas, Wallner, Anton, Pavetich, Stefan

Journal:

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

Year:

2018

Language:

english

File:

PDF, 615 KB

english, 2018

95

Large-scale Sparse Inverse Covariance Matrix Estimation

Bollhöfer, Matthias, Eftekhari, Aryan, Scheidegger, Simon, Schenk, Olaf

Journal:

SIAM Journal on Scientific Computing

Year:

2019

Language:

english

File:

PDF, 1.08 MB

english, 2019

96

[IEEE SC18: International Conference for High Performance Computing, Networking, Storage and Analysis - Dallas, TX, USA (2018.11.11-2018.11.16)] SC18: International Conference for High Performance Computing, Networking, Storage and Analysis - Distributed Memory Sparse Inverse Covariance Matrix Estimation on High-Performance Computing Architectures

Eftekhari, Aryan, BollhoFer, Matthias, Schenk, Olaf

Year:

2018

Language:

english

File:

PDF, 48 KB

english, 2018