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1

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

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

Année:

2015

Langue:

english

Fichier:

PDF, 8.06 MB

english, 2015

2

On large-scale diagonalization techniques for the Anderson model of localization

Olaf Schenk, Matthias Bollhöfer, Rudolf A. Römer

Journal:

Année:

2007

Langue:

english

Fichier:

PDF, 77 KB

english, 2007

3

High-resolution210Pb dating of Lake Constance sediments: Stable lead in Lake Constance

A. Bollhöfer, A. Mangini, A. Lenhard, M. Wessels, F. Giovanoli, B. Schwarz

Journal:

Environmental Geology

Année:

1994

Langue:

english

Fichier:

PDF, 764 KB

english, 1994

4

JADAMILU: a software code for computing selected eigenvalues of large sparse symmetric matrices

Matthias Bollhöfer, Yvan Notay

Journal:

Computer Physics Communications

Année:

2007

Langue:

english

Fichier:

PDF, 228 KB

english, 2007

5

Airborne gamma survey of the historic Sleisbeck mine area in the Northern Territory, Australia, and its use for site rehabilitation planning

A. Bollhöfer, K. Pfitzner, B. Ryan, P. Martin, M. Fawcett, D.R. Jones

Journal:

Journal of Environmental Radioactivity

Année:

2008

Langue:

english

Fichier:

PDF, 434 KB

english, 2008

6

A methodology for the assessment of rehabilitation success of post mining landscapes—sediment and radionuclide transport at the former Nabarlek uranium mine, Northern Territory, Australia

G.R. Hancock, M.K. Grabham, P Martin, K.G. Evans, A. Bollhöfer

Journal:

Science of The Total Environment

Année:

2006

Langue:

english

Fichier:

PDF, 287 KB

english, 2006

7

Protactinium determination in manganese crust VA13/2 by thermal ionization mass spectrometry (TIMS)

J Fietzke, A Bollhöfer, N Frank, A Mangini

Journal:

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

Année:

1999

Langue:

english

Fichier:

PDF, 135 KB

english, 1999

8

Isotopic source signatures for atmospheric lead: the Southern Hemisphere

A Bollhöfer, K.J.R Rosman

Journal:

Geochimica et Cosmochimica Acta

Année:

2000

Langue:

english

Fichier:

PDF, 417 KB

english, 2000

9

Isotopic source signatures for atmospheric lead: the Northern Hemisphere

A Bollhöfer, K.J.R Rosman

Journal:

Geochimica et Cosmochimica Acta

Année:

2001

Langue:

english

Fichier:

PDF, 797 KB

english, 2001

10

The temporal stability in lead isotopic signatures at selected sites in the Southern and Northern Hemispheres

A Bollhöfer, K.J.R Rosman

Journal:

Geochimica et Cosmochimica Acta

Année:

2002

Langue:

english

Fichier:

PDF, 805 KB

english, 2002

11

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

Schenk, Olaf, Bollhöfer, Matthias, Römer, Rudolf A.

Journal:

Année:

2008

Langue:

english

Fichier:

PDF, 1.47 MB

english, 2008

12

A Robust and Efficient ILU that Incorporates the Growth of the Inverse Triangular Factors

Bollhöfer, Matthias

Journal:

SIAM Journal on Scientific Computing

Année:

2003

Langue:

english

Fichier:

PDF, 279 KB

english, 2003

13

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

Année:

2015

Langue:

english

Fichier:

PDF, 694 KB

english, 2015

14

Analysis of radioxenon and Krypton-85 at the BfS noble gas laboratory

Schlosser, C., Bollhöfer, A., Schmid, S., Krais, R., Bieringer, J., Konrad, M.

Journal:

Applied Radiation and Isotopes

Année:

2016

Langue:

english

Fichier:

PDF, 998 KB

english, 2016

15

Exploiting thread-level parallelism in the iterative solution of sparse linear systems

José I. Aliaga, Matthias Bollhöfer, Alberto F. Martı´n, Enrique S. Quintana-Ortı´

Journal:

Parallel Computing

Année:

2011

Langue:

english

Fichier:

PDF, 1.85 MB

english, 2011

16

The new IAEA reference material: IAEA-434 technologically enhanced naturally occurring radioactive materials (TENORM) in phosphogypsum

A. Shakhashiro, U. Sansone, H. Wershofen, A. Bollhöfer, C.K. Kim, C.S. Kim, G. Kis-Benedek, M. Korun, M. Moune, S.H. Lee, S. Tarjan, M.S. Al-Masri

Journal:

Applied Radiation and Isotopes

Année:

2011

Langue:

english

Fichier:

PDF, 470 KB

english, 2011

17

A radon and meteorological measurement network for the Alligator Rivers Region, Australia

P Martin, S Tims, B Ryan, A Bollhöfer

Journal:

Journal of Environmental Radioactivity

Année:

2004

Langue:

english

Fichier:

PDF, 446 KB

english, 2004

18

Radioactive and radiogenic isotopes in sediments from Cooper Creek, Western Arnhem Land

A. Frostick, A. Bollhöfer, D. Parry, N. Munksgaard, K. Evans

Journal:

Journal of Environmental Radioactivity

Année:

2008

Langue:

english

Fichier:

PDF, 641 KB

english, 2008

19

Sampling aerosols for lead isotopes on a global scale

A Bollhöfer, W Chisholm, K.J.R Rosman

Journal:

Analytica Chimica Acta

Année:

1999

Langue:

english

Fichier:

PDF, 307 KB

english, 1999

20

A robust ILU with pivoting based on monitoring the growth of the inverse factors

Matthias Bollhöfer

Journal:

Linear Algebra and its Applications

Année:

2001

Langue:

english

Fichier:

PDF, 143 KB

english, 2001

21

An alternative way of solving large Lyapunov equations

André K. Eppler, Matthias Bollhöfer

Journal:

Année:

2010

Langue:

english

Fichier:

PDF, 106 KB

english, 2010

22

High resolution time series of lead and zinc in sediments of Lake Constance

Martin Wessels, Angela Lenhard, Federico Giovanoli, Andreas Bollhöfer

Journal:

Aquatic Sciences

Année:

1995

Langue:

english

Fichier:

PDF, 839 KB

english, 1995

23

Robust incomplete factorization for nonsymmetric matrices

A. Rafiei, M. Bollhöfer

Journal:

Numerische Mathematik

Année:

2011

Langue:

english

Fichier:

PDF, 347 KB

english, 2011

24

Geographic Variability in Radon Exhalation at a Rehabilitated Uranium Mine in the Northern Territory, Australia

Andreas Bollhöfer, John Storm, Paul Martin, Stephen Tims

Journal:

Environmental Monitoring and Assessment

Année:

2006

Langue:

english

Fichier:

PDF, 298 KB

english, 2006

25

Praxis des organisationsinternen Coachings

Gabriele Bollhöfer

Journal:

Organisationsberatung, Supervision, Coaching

Année:

2011

Langue:

german

Fichier:

PDF, 668 KB

german, 2011

26

Radionuclides and metals in freshwater mussels of the upper South Alligator River, Australia

Bruce Ryan, Andreas Bollhöfer, Paul Martin

Journal:

Journal of Environmental Radioactivity

Année:

2008

Langue:

english

Fichier:

PDF, 501 KB

english, 2008

27

Radon-222 exhalation from open ground on and around a uranium mine in the wet-dry tropics

Cameron E. Lawrence, Riaz A. Akber, Andreas Bollhöfer, Paul Martin

Journal:

Journal of Environmental Radioactivity

Année:

2009

Langue:

english

Fichier:

PDF, 448 KB

english, 2009

28

‘SCREENSCAPES’: PLACING TV SERIES IN THEIR CONTEXTS OF PRODUCTION, MEANING AND CONSUMPTION

BJÖRN BOLLHÖFER

Journal:

Tijdschrift voor economische en sociale geografie

Année:

2007

Langue:

english

Fichier:

PDF, 126 KB

english, 2007

29

Thorium and uranium isotopes in a manganese nodule from the Peru basin determined by alpha spectrometry and thermal ionization mass spectrometry (TIMS): Are manganese supply and growth related to climate?

A. Bollhöfer, A. Eisenhauer, N. Frank, D. Pech, A. Mangini

Journal:

International Journal of Earth Sciences

Année:

1996

Langue:

english

Fichier:

PDF, 315 KB

english, 1996

30

A study of radionuclides, metals and stable lead isotope ratios in sediments and soils in the vicinity of natural U-mineralisation areas in the Northern Territory

A. Frostick, A. Bollhöfer, D. Parry

Journal:

Journal of Environmental Radioactivity

Année:

2011

Langue:

english

Fichier:

PDF, 486 KB

english, 2011

31

A study of radium bioaccumulation in freshwater mussels, Velesunio angasi, in the Magela Creek catchment, Northern Territory, Australia

Andreas Bollhöfer, Jenny Brazier, Chris Humphrey, Bruce Ryan, Andrew Esparon

Journal:

Journal of Environmental Radioactivity

Année:

2011

Langue:

english

Fichier:

PDF, 708 KB

english, 2011

32

The lead isotopic composition of dust in the vicinity of a uranium mine in northern Australia and its use for radiation dose assessment

Andreas Bollhöfer, Russell Honeybun, Kevin Rosman, Paul Martin

Journal:

Science of The Total Environment

Année:

2006

Langue:

english

Fichier:

PDF, 462 KB

english, 2006

33

Lead isotopic ratios in European atmospheric aerosols

A. Bollhöfer, K.J.R. Rosman

Journal:

Physics and Chemistry of the Earth, Part B: Hydrology, Oceans and Atmosphere

Année:

2001

Langue:

english

Fichier:

PDF, 435 KB

english, 2001

34

[IEEE Proceedings of 35th European Solid-State Device Research Conference, 2005. ESSDERC 2005. - Grenoble, France (12-16 Sept. 2005)] Proceedings of 35th European Solid-State Device Research Conference, 2005. ESSDERC 2005. - Convergence of the legendre polynomial expansion of the boltzmann equation for nanoscale devices

Jungemann, C., Bollhofer, M., Meinerzhagen, B.

Année:

2005

Langue:

english

Fichier:

PDF, 303 KB

english, 2005

35

[IEEE IGARSS 2010 - 2010 IEEE International Geoscience and Remote Sensing Symposium - Honolulu, HI, USA (2010.07.25-2010.07.30)] 2010 IEEE International Geoscience and Remote Sensing Symposium - Standardised spectra (400-2500 nm) and associated metadata: An example from northern tropical Australia

Pfitzner, K., Bollhofer, A., Esparon, A., Bartolo, R, Staben, G.

Année:

2010

Fichier:

PDF, 361 KB

2010

36

Ressourceneffizienzpotenziale von Innovationen in rohstoffnahen Produktionsprozessen

Stefan Albrecht, Esther Bollhöfer, Peter Brandstetter, Dr. rer. pol. Magnus Fröhling, Katharina Mattes, Dr. Katrin Ostertag, Jan Peuckert, Dr.-Ing. Ralph Seitz, Frederik Trippe, Prof. Dr.-Ing. Jörg Wo

Journal:

Chemie Ingenieur Technik

Année:

2012

Langue:

german

Fichier:

PDF, 439 KB

german, 2012

37

Stable lead isotope ratios and metals in freshwater mussels from a uranium mining environment in Australia’s wet-dry tropics

Andreas Bollhöfer

Journal:

Applied Geochemistry

Année:

2012

Langue:

english

Fichier:

PDF, 769 KB

english, 2012

38

Concentration, isotopic composition, and sources of lead in Southern Ocean air during 1999/2000, measured at the Cape Grim Baseline Air Pollution Station, Tasmania

A.F. Bollhöfer, K.J.R. Rosman, A.L. Dick, W. Chisholm, G.R. Burton, R.D. Loss, W. Zahorowski

Journal:

Geochimica et Cosmochimica Acta

Année:

2005

Langue:

english

Fichier:

PDF, 1.30 MB

english, 2005

39

A record of changing redox conditions in the northern Peru Basin during the Late Quaternary deduced from Mn/Fe and growth rate variations in two diagenetic manganese nodules

A. Bollhöfer, N. Frank, S. Rohloff, A. Mangini, J.C. Scholten

Journal:

Earth and Planetary Science Letters

Année:

1999

Langue:

english

Fichier:

PDF, 588 KB

english, 1999

40

Pb isotopes in sediments of Lake Constance, Central Europe constrain the heavy metal pathways and the pollution history of the catchment, the lake and the regional atmosphere

Bernd Kober, Martin Wessels, Andreas Bollhöfer, Augusto Mangini

Journal:

Geochimica et Cosmochimica Acta

Année:

1999

Langue:

english

Fichier:

PDF, 339 KB

english, 1999

41

Explaining discrepant depth profiles of 234U/238U and 230Thexc in Mn-crusts

U Neff, A Bollhöfer, N Frank, A Mangini

Journal:

Geochimica et Cosmochimica Acta

Année:

1999

Langue:

english

Fichier:

PDF, 288 KB

english, 1999

42

Stable discretization of the Boltzmann equation based on spherical harmonics, box integration, and a maximum entropy dissipation principle

Jungemann, C., Pham, A. T., Meinerzhagen, B., Ringhofer, C., Bollhofer, M.

Journal:

Journal of Applied Physics

Année:

2006

Langue:

english

Fichier:

PDF, 628 KB

english, 2006

43

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

Schenk, Olaf, Bollhöfer, Matthias, Römer, Rudolf A.

Journal:

SIAM Journal on Scientific Computing

Année:

2006

Langue:

english

Fichier:

PDF, 6.74 MB

english, 2006

44

Multilevel Preconditioners Constructed From Inverse-Based ILUs

Bollhöfer, Matthias, Saad, Yousef

Journal:

SIAM Journal on Scientific Computing

Année:

2006

Langue:

english

Fichier:

PDF, 254 KB

english, 2006

45

Algebraic Multilevel Preconditioner for the Helmholtz Equation in Heterogeneous Media

Bollhöfer, Matthias, Grote, Marcus J., Schenk, Olaf

Journal:

SIAM Journal on Scientific Computing

Année:

2009

Langue:

english

Fichier:

PDF, 3.55 MB

english, 2009

46

Algebraic Multilevel Methods and Sparse Approximate Inverses

Bollhöfer, Matthias, Mehrmann, Volker

Journal:

SIAM Journal on Matrix Analysis and Applications

Année:

2002

Langue:

english

Fichier:

PDF, 268 KB

english, 2002

47

On the Relations between ILUs and Factored Approximate Inverses

Bollhöfer, Matthias, Saad, Yousef

Journal:

SIAM Journal on Matrix Analysis and Applications

Année:

2002

Langue:

english

Fichier:

PDF, 203 KB

english, 2002

48

Variability of procedural blanks leads to greater uncertainty in assessing detection limits for the measurement of polonium-210

Peter Medley, Andreas Bollhöfer, Paul Martin

Journal:

Journal of Radioanalytical and Nuclear Chemistry

Année:

2013

Langue:

english

Fichier:

PDF, 529 KB

english, 2013

49

A Factored Approximate Inverse Preconditioner with Pivoting

Bollhöfer, Matthias, Saad, Yousef

Journal:

SIAM Journal on Matrix Analysis and Applications

Année:

2002

Langue:

english

Fichier:

PDF, 181 KB

english, 2002

50

Determining a pre-mining radiological baseline from historic airborne gamma surveys: A case study

Bollhöfer, Andreas, Beraldo, Annamarie, Pfitzner, Kirrilly, Esparon, Andrew, Doering, Che

Journal:

Science of The Total Environment

Année:

2014

Langue:

english

Fichier:

PDF, 1.76 MB

english, 2014