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1

An Elementary Extension of Tietze's Theorem

Martin W. Bartelt and John J. Swetits

Journal:

Mathematics Magazine

Year:

1993

Language:

english

File:

PDF, 285 KB

english, 1993

2

SPIE Proceedings [SPIE SPIE LASE - San Francisco, California, United States (Saturday 1 February 2014)] Fiber Lasers XI: Technology, Systems, and Applications - Investigation of a large core 976nm Yb fiber laser for high brightness fiber-based pump sources

Ramachandran, Siddharth, Leich, Martin, Jäger, Matthias, Grimm, Stephan, Dellith, Jan, Hoh, Denny, Jetschke, Sylvia, Becker, Martin, Hartung, Alexander, Eschrich, Tina, Kobelke, Jens, Bartelt, Hartmut

Year:

2014

Language:

english

File:

PDF, 778 KB

english, 2014

3

Measured shear rates in large dry and wet snow avalanches

Kern, Martin, Bartelt, Perry, Sovilla, Betty, Buser, Othmar

Journal:

Journal of Glaciology

Year:

2009

Language:

english

File:

PDF, 1.06 MB

english, 2009

4

snowpack model calculations for avalanche warning based upon a new network of weather and snow stations

Michael Lehning, Perry Bartelt, Bob Brown, Tom Russi, Urs Stöckli, Martin Zimmerli

Journal:

Cold Regions Science and Technology

Year:

1999

Language:

english

File:

PDF, 5.59 MB

english, 1999

5

Temperature and Strain Sensing With Femtosecond Laser Written Bragg Gratings in Defect and Nondefect Suspended-Silica-Core Fibers

Fernandes, Luís André, Becker, Martin, Frazao, Orlando, Schuster, Kay, Kobelke, Jens, Rothhardt, Manfred, Bartelt, Hartmut, Santos, José Luís, Marques, Paulo V. S.

Journal:

IEEE Photonics Technology Letters

Year:

2012

Language:

english

File:

PDF, 260 KB

english, 2012

6

Generation of volume Bragg gratings by 400nm femtosecond laser pulses with Talbot-type interferometer in S-TIH53 glass

Elsmann, Tino, Hartung, Alexander, Rothhardt, Manfred, Bartelt, Hartmut, Falk, Matthias, Moser, Hansruedi, Forrer, Martin

Journal:

Optik - International Journal for Light and Electron Optics

Year:

2013

Language:

english

File:

PDF, 633 KB

english, 2013

7

The strong derivative of the best approximation operator

Bartelt, Martin W., Swetits, John J.

Journal:

Numerical Functional Analysis and Optimization

Year:

1993

Language:

english

File:

PDF, 1.15 MB

english, 1993

8

Fiber Bragg Gratings in the Visible Spectral Range With Ultraviolet Femtosecond Laser Inscription

Becker, Martin, Elsmann, Tino, Schwuchow, Anka, Rothhardt, Manfred, Dochow, Sebastian, Bartelt, Hartmut

Journal:

IEEE Photonics Technology Letters

Year:

2014

Language:

english

File:

PDF, 545 KB

english, 2014

9

Optical Inclinometer Based on a Phase-Shifted Bragg Grating in a Taper Configuration

Moura, Joao P., Silva, Susana O., Becker, Martin, Rothhardt, M., Bartelt, Hartmut, Santos, Jose Luis, Frazao, Orlando

Journal:

IEEE Photonics Technology Letters

Year:

2014

Language:

english

File:

PDF, 654 KB

english, 2014

10

[IEEE 2009 IEEE Electric Ship Technologies Symposium (ESTS 2009) - Baltimore, MD, USA (2009.04.20-2009.04.22)] 2009 IEEE Electric Ship Technologies Symposium - Advanced simulation concept for onboard ship grids featuring complex multiterminal power-electronic systems

Heising, Carsten, Oettmeier, Martin, Bartelt, Roman, Staudt, Volker, Steimel, Andreas

Year:

2009

Language:

english

File:

PDF, 509 KB

english, 2009

11

[IEEE IECON 2009 - 35th Annual Conference of IEEE Industrial Electronics (IECON) - Porto, Portugal (2009.11.3-2009.11.5)] 2009 35th Annual Conference of IEEE Industrial Electronics - Advanced simulation concept for power electronic systems applied to the 3-level NPC inverter

Bartelt, Roman, Heising, Carsten, Oettmeier, Martin, Staudt, Volker, Steimel, Andreas

Year:

2009

Language:

english

File:

PDF, 662 KB

english, 2009

12

[IEEE 2009 IEEE Electric Ship Technologies Symposium (ESTS 2009) - Baltimore, MD, USA (2009.04.20-2009.04.22)] 2009 IEEE Electric Ship Technologies Symposium - Modelling method for complex induction machines used in naval applications using an advanced simulation concept

Heising, Carsten, Oettmeier, Martin, Bartelt, Roman, Jie Fang,, Staudt, Volker, Steimel, Andreas

Year:

2009

Language:

english

File:

PDF, 671 KB

english, 2009

13

Length distributed measurement of temperature effects in Yb-doped fibers during pumping

Leich, Martin, Fiebrandt, Julia, Schwuchow, Anka, Jetschke, Sylvia, Unger, Sonja, Jäger, Matthias, Rothhardt, Manfred, Bartelt, Hartmut

Journal:

Optical Engineering

Year:

2014

Language:

english

File:

PDF, 847 KB

english, 2014

14

Functional Integration of Water Injection into the Gasoline Engine

Böhm, Martin, Mährle, Werner, Bartelt, Hans-Christian, Rubbert, Stephan

Journal:

MTZ worldwide eMagazine

Year:

2016

Language:

english

File:

PDF, 757 KB

english, 2016

15

Reflectivity and Bandwidth Modulation of Fiber Bragg Gratings in a Suspended Core Fiber by Tunable Acoustic Waves

Silva, Ricardo E., Becker, Martin, Hartung, Alexander, Rothhardt, Manfred, Pohl, Alexandre A. P., Bartelt, Hartmut

Journal:

IEEE Photonics Journal

Year:

2014

Language:

english

File:

PDF, 608 KB

english, 2014

16

Discretely tunable thulium-doped fiber-based polarization-maintaining master oscillator power amplifier using fiber Bragg grating arrays as spectral filters

Tiess, Tobias, Junaid, Saher, Becker, Martin, Rothhardt, Manfred, Bartelt, Hartmut, Jäger, Matthias

Journal:

Optical Engineering

Year:

2016

Language:

english

File:

PDF, 1.82 MB

english, 2016

17

All-fiber 10 MHz acousto-optic modulator of a fiber Bragg grating at 1060 nm wavelength

Silva, Ricardo E, Tiess, Tobias, Becker, Martin, Eschrich, Tina, Rothhardt, Manfred, Jäger, Matthias, Pohl, Alexandre A. P., Bartelt, Hartmut

Journal:

Year:

2015

Language:

english

File:

PDF, 1.07 MB

english, 2015

18

Electrically Tunable Multiwavelength Bragg Grating Filter Acoustically Induced in a Highly Birefringent Suspended Core Fiber

Silva, Ricardo E., Becker, Martin, Rothhardt, Manfred, Bartelt, Hartmut, Pohl, Alexandre A. P.

Journal:

IEEE Photonics Journal

Year:

2017

Language:

english

File:

PDF, 1.41 MB

english, 2017

19

An Elementary Extension of Tietze's Theorem

Bartelt, Martin W., Swetits, John J.

Journal:

Mathematics Magazine

Year:

1993

Language:

english

File:

PDF, 371 KB

english, 1993

20

Measuring branch deflection of spruce branches caused by intercepted snow load

Michael Bründl, Perry Bartelt, Martin Schneebeli, Hannes Flühler

Journal:

Hydrological Processes

Year:

1999

Language:

english

File:

PDF, 459 KB

english, 1999

21

On Poreda's problem on the strong unicity constants

Martin W Bartelt, Darrell Schmidt

Journal:

Journal of Approximation Theory

Year:

1981

Language:

english

File:

PDF, 529 KB

english, 1981

22

Lipschitz conditions, strong uniqueness, and almost Chebyshev subspaces of C(X)

Martin W Bartelt, Darrell Schmidt

Journal:

Journal of Approximation Theory

Year:

1984

Language:

english

File:

PDF, 628 KB

english, 1984

23

Uniform Lipschitz constants in Chebyshev polynomial approximation

Martin Bartelt, Edwin H Kaufman Jr., John Swetits

Journal:

Journal of Approximation Theory

Year:

1990

Language:

english

File:

PDF, 677 KB

english, 1990

24

Lipschitz continuity and Gateaux differentiability of the best approximation operator in vector-valued Chebyshev approximation

Martin Bartelt, John Swetits

Journal:

Journal of Approximation Theory

Year:

2007

Language:

english

File:

PDF, 220 KB

english, 2007

25

Thermal regenerated type IIa fiber Bragg gratings for ultra-high temperature operation

Eric Lindner, John Canning, Christoph Chojetzki, Sven Brückner, Martin Becker, Manfred Rothhardt, Hartmut Bartelt

Journal:

Optics Communications

Year:

2011

Language:

english

File:

PDF, 422 KB

english, 2011

26

Position dependent velocity profiles in granular avalanches

Marius Schaefer, Louis Bugnion, Martin Kern, Perry Bartelt

Journal:

Granular Matter

Year:

2010

Language:

english

File:

PDF, 967 KB

english, 2010

27

Exact order of Hoffman’s error bounds for elliptic quadratic inequalities derived from vector-valued Chebyshev approximation

Martin Bartelt, Wu Li

Journal:

Mathematical Programming

Year:

2000

Language:

english

File:

PDF, 183 KB

english, 2000

28

Identification of Chemicals Emitted by Calling Males of the Sapote Fruit Fly,Anastrepha serpentina

David C. Robacker, Martin Aluja, Robert J. Bartelt, Joseph Patt

Journal:

Journal of Chemical Ecology

Year:

2009

Language:

english

File:

PDF, 219 KB

english, 2009

29

On Lipschitz conditions, strong unicity and a Theorem of A. K. Cline

Journal:

Journal of Approximation Theory

Year:

1975

Language:

english

File:

PDF, 261 KB

english, 1975

30

Uniform strong unicity constants for subsets of C(X)

Martin Bartelt, John Swetits

Journal:

Journal of Approximation Theory

Year:

1988

Language:

english

File:

PDF, 596 KB

english, 1988

31

Lipschitz continuity of the best approximation operator in vector-valued Chebyshev approximation

Martin Bartelt, John Swetits

Journal:

Journal of Approximation Theory

Year:

2008

Language:

english

File:

PDF, 140 KB

english, 2008

32

Modelling Snow Slab Release Using a Temperature-Dependent Viscoelastic Finite Element Model with Weak Layers

Martin Stoffel, Perry Bartelt

Journal:

Surveys in Geophysics

Year:

2003

Language:

english

File:

PDF, 303 KB

english, 2003

33

A new, powerful player in lipoprotein metabolism: brown adipose tissue

Bartelt, Alexander, Merkel, Martin, Heeren, Joerg

Journal:

Journal of Molecular Medicine

Year:

2012

Language:

english

File:

PDF, 207 KB

english, 2012

34

Towards a monolithic fiber laser with deep UV femtosecond-induced fiber Bragg gratings

Martin Becker, Sven Brückner, Martin Leich, Eric Lindner, Manfred Rothhardt, Sonja Unger, Sylvia Jetschke, Hartmut Bartelt

Journal:

Optics Communications

Year:

2011

Language:

english

File:

PDF, 719 KB

english, 2011

35

Fiber Bragg grating inscription in pure-silica and Ge-doped photonic crystal fibers

Wang, Yiping, Bartelt, Hartmut, Becker, Martin, Brueckner, Sven, Bergmann, Joachim, Kobelke, Jens, Rothhardt, Manfred

Journal:

Year:

2009

Language:

english

File:

PDF, 776 KB

english, 2009

36

Post-hydrogen-loaded draw tower fiber Bragg gratings and their thermal regeneration

Lindner, Eric, Canning, John, Chojetzki, Christoph, Brückner, Sven, Becker, Martin, Rothhardt, Manfred, Bartelt, Hartmut

Journal:

Year:

2011

Language:

english

File:

PDF, 359 KB

english, 2011

37

Fiber Bragg grating inscription combining DUV sub-picosecond laser pulses and two-beam interferometry

Becker, Martin, Bergmann, Joachim, Brückner, Sven, Franke, Marco, Lindner, Eric, Rothhardt, Manfred W., Bartelt, Hartmut

Journal:

Year:

2008

Language:

english

File:

PDF, 327 KB

english, 2008

38

Thermal regeneration of fiber Bragg gratings in photosensitive fibers

Lindner, Eric, Chojetzki, Christoph, Brückner, Sven, Becker, Martin, Rothhardt, Manfred, Bartelt, Hartmut

Journal:

Year:

2009

Language:

english

File:

PDF, 1.28 MB

english, 2009

39

SPIE Proceedings [SPIE 21st International Conference on Optical Fibre Sensors (OFS21) - Ottawa (Sunday 15 May 2011)] 21st International Conference on Optical Fiber Sensors - Regenerated draw tower grating (DTG) temperature sensors

Lindner, Eric, Canning, John, Chojetzki, Christoph, Brückner, Sven, Becker, Martin, Rothhardt, Manfred, Bartelt, Hartmut, Bock, Wojtek J., Albert, Jacques, Bao, Xiaoyi

Year:

2011

Language:

english

File:

PDF, 425 KB

english, 2011

40

Growth characterization of fiber Bragg gratings inscribed in different rare-earth-doped fibers by UV and VIS femtosecond laser pulses

Fiebrandt, Julia, Lindner, Eric, Brückner, Sven, Becker, Martin, Schwuchow, Anka, Rothhardt, Manfred, Bartelt, Hartmut

Journal:

Optics Communications

Year:

2012

Language:

english

File:

PDF, 529 KB

english, 2012

41

[IEEE IECON 2009 - 35th Annual Conference of IEEE Industrial Electronics (IECON) - Porto, Portugal (2009.11.3-2009.11.5)] 2009 35th Annual Conference of IEEE Industrial Electronics - Simulation of asymmetric faults of a five-phase induction machine used in naval applications

Heising, Carsten, Oettmeier, Martin, Bartelt, Roman, Fang, Jie, Staudt, Volker, Steimel, Andreas

Year:

2009

Language:

english

File:

PDF, 1.35 MB

english, 2009

42

[IEEE 2010 International School on Nonsinusoidal Currents and Compensation (ISNCC) - Lagow, Poland (2010.06.15-2010.06.18)] 2010 International School on Nonsinusoidal Currents and Compensation - Flux-based control of 3-phase Active Front End

Bartelt, Roman, Oettmeier, Martin, Heising, Carsten, Staudt, Volker

Year:

2010

Language:

english

File:

PDF, 1.84 MB

english, 2010

43

[IEEE 2010 14th International Power Electronics and Motion Control Conference (EPE/PEMC 2010) - Ohrid, Macedonia (2010.09.6-2010.09.8)] Proceedings of 14th International Power Electronics and Motion Control Conference EPE-PEMC 2010 - Enhancement of low-frequency system stability of 60-Hz railway power grids

Heising, Carsten, Bartelt, Roman, Oettmeier, Martin, Staudt, Volker, Steimel, Andreas

Year:

2010

Language:

english

File:

PDF, 778 KB

english, 2010

44

[IEEE 2010 Electrical Systems for Aircraft, Railway and Ship Propulsion (ESARS) - Bologna, Italy (2010.10.19-2010.10.21)] Electrical Systems for Aircraft, Railway and Ship Propulsion - Improvement of low-frequency system stability in 16.7-Hz railway-power grids by multivariable line-converter control in a multiple traction-vehicle scenario

Bartelt, Roman, Oettmeier, Martin, Heising, Carsten, Staudt, Volker, Steimel, Andreas

Year:

2010

Language:

english

File:

PDF, 2.51 MB

english, 2010

45

Femtosecond pulse-induced fiber Bragg gratings for in-core temperature measurement in optically pumped Yb-doped silica fibers

Leich, Martin, Fiebrandt, Julia, Schwuchow, Anka, Unger, Sonja, Jetschke, Sylvia, Bartelt, Hartmut

Journal:

Optics Communications

Year:

2012

Language:

english

File:

PDF, 326 KB

english, 2012

46

High birefringence triangular optical nanowire in suspended-core fiber for temperature sensing

André, Ricardo M., Becker, Martin, Schuster, Kay, Rothhardt, Manfred, Bartelt, Hartmut, Marques, Manuel B., Frazão, Orlando

Journal:

Journal of Nanophotonics

Year:

2013

Language:

english

File:

PDF, 1.77 MB

english, 2013

47

Laser-drilled free-form silica fiber preforms for microstructured optical fibers

Becker, Martin, Werner, Marcel, Fitzau, Oliver, Esser, Dominik, Kobelke, Jens, Lorenz, Adrian, Schwuchow, Anka, Rothhardt, Manfred, Schuster, Kay, Hoffmann, Dieter, Bartelt, Hartmut

Journal:

Optical Fiber Technology

Year:

2013

Language:

english

File:

PDF, 647 KB

english, 2013

48

SPIE Proceedings [SPIE Photonics North 2009 - Quebec, Canada (Sunday 24 May 2009)] Photonics North 2009 - Fiber Bragg grating inscription with DUV femtosecond exposure and two beam interference

Becker, Martin, Bergmann, Joachim, Brückner, Sven, Lindner, Eric, Rothhardt, Manfred, Schuster, Kay, Kobelke, Jens, Unger, Sonja, Bartelt, Hartmut, Fernandes, Luis A., Marques, Paulo V. S., Vallée, Ré

Year:

2009

Language:

english

File:

PDF, 3.62 MB

english, 2009

49

Homozygosity for a partial deletion of apoprotein A-V signal peptide results in intracellular missorting of the protein and chylomicronemia in a breast-fed infant

Albers, Kirstin, Schlein, Christian, Wenner, Kirsten, Lohse, Peter, Bartelt, Alexander, Heeren, Joerg, Santer, René, Merkel, Martin

Journal:

Atherosclerosis

Year:

2014

Language:

english

File:

PDF, 988 KB

english, 2014

50

[IEEE 2010 Electrical Systems for Aircraft, Railway and Ship Propulsion (ESARS) - Bologna, Italy (2010.10.19-2010.10.21)] Electrical Systems for Aircraft, Railway and Ship Propulsion - Comparison of 50-Hz railway line-side converter input-admittance for different substation distances and control concepts

Bartelt, Roman, Oettmeier, Martin, Heising, Carsten, Staudt, Volker, Steimel, Andreas

Year:

2010

Language:

english

File:

PDF, 1.48 MB

english, 2010