O. Lechtenfeld: search on Z-Library

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1

A Feminization of Vulnerability? Female Headship, Poverty, and Vulnerability in Thailand and Vietnam

Klasen, Stephan, Lechtenfeld, Tobias, Povel, Felix

Journal:

World Development

Year:

2015

Language:

english

File:

PDF, 532 KB

english, 2015

2

On-line nano-solid phase extraction Fourier-transform ion cyclotron resonance mass spectrometry workflow to analyze small scale gradients of soil solution organic matter in the rhizosphere

Lohse, Martin, Blaser, Sebastian, Vetterlein, Doris, SchlÅ±ter, Steffen, Oburger, Eva, Reemtsma, Thorsten, Lechtenfeld, Oliver Jens

Journal:

Analytical Chemistry

Year:

2020

File:

PDF, 1.02 MB

2020

3

Dissolved Organic Matter in Continental Hydro-Geothermal Systems: Insights from Two Hot Springs of the East African Rift Valley

Butturini, Andrea, Amalfitano, Stefano, Herzsprung, Peter, Lechtenfeld, Oliver J., Venturi, Stefania, Olaka, Lydia A., Pacini, Nic, Harper, David M., Tassi, Franco, Fazi, Stefano

Journal:

Year:

2020

File:

PDF, 1.18 MB

2020

4

Yang–Mills instantons and dyons on group manifolds

Tatiana A. Ivanova, Olaf Lechtenfeld

Journal:

Physics Letters B

Year:

2008

Language:

english

File:

PDF, 161 KB

english, 2008

5

Noncommutative sine-Gordon model

Journal:

Fortschritte der Physik

Year:

2005

Language:

english

File:

PDF, 111 KB

english, 2005

6

The optimum clustering framework: implementing the cluster hypothesis

Norbert Fuhr, Marc Lechtenfeld, Benno Stein, Tim Gollub

Journal:

Information Retrieval

Year:

2012

Language:

english

File:

PDF, 382 KB

english, 2012

7

Gauge-invariant modification of Witten's open superstring

Olaf Lechtenfeld, Stuart Samuel

Journal:

Physics Letters B

Year:

1988

Language:

english

File:

PDF, 554 KB

english, 1988

8

Superconformal ghost correlations on Riemann surfaces

Olaf Lechtenfeld

Journal:

Physics Letters B

Year:

1989

Language:

english

File:

PDF, 428 KB

english, 1989

9

Conformal techniques, bosonization and tree-level string amplitudes

V. Alan Kostelecký, Olaf Lechtenfeld, Wolfgang Lerche, Stuart Samuel, Satoshi Watamura

Journal:

Nuclear Physics B

Year:

1987

Language:

english

File:

PDF, 2.75 MB

english, 1987

10

The GSO projection, BRST cohomology and picture-changing in N = 2 string theory

Jan Bischoff, Sergei V. Ketov, Olaf Lechtenfeld

Journal:

Nuclear Physics B

Year:

1995

Language:

english

File:

PDF, 1.57 MB

english, 1995

11

Twisting the N =2 string

Ketov, Sergei V., Lechtenfeld, Olaf, Parkes, Andrew J.

Journal:

Physical Review D

Year:

1995

Language:

english

File:

PDF, 568 KB

english, 1995

12

The Effect of Drought on Health Outcomes and Health Expenditures in Rural Vietnam

Lohmann, Steffen, Lechtenfeld, Tobias

Journal:

World Development

Year:

2015

Language:

english

File:

PDF, 2.17 MB

english, 2015

13

Exact black-hole solution with self-interacting scalar field

Bechmann, Olaf, Lechtenfeld, Olaf

Journal:

Classical and Quantum Gravity

Year:

1995

Language:

english

File:

PDF, 330 KB

english, 1995

14

Benefits trickling away: the health impact of extending access to piped water and sanitation in urban Yemen

Klasen, Stephan, Lechtenfeld, Tobias, Meier, Kristina, Rieckmann, Johannes

Journal:

Journal of Development Effectiveness

Year:

2012

Language:

english

File:

PDF, 625 KB

english, 2012

15

Well-posedness and blow-up phenomena for the 2-component Camassa-Holm equation

Yin, Zhaoyang, Lechtenfeld, Olaf, Escher, Joachim

Journal:

Discrete and Continuous Dynamical Systems

Year:

2007

Language:

english

File:

PDF, 55 KB

english, 2007

16

The tetrahexahedric Calogero model

Francisco Correa,Olaf Lechtenfeld

Journal:

Physics of Particles and Nuclei Letters

Year:

2017

Language:

english

File:

PDF, 338 KB

english, 2017

17

A new construction of rational electromagnetic knots

Lechtenfeld, Olaf, Zhilin, Gleb

Journal:

Physics Letters A

Year:

2018

Language:

english

File:

PDF, 560 KB

english, 2018

18

Rational Maxwell knots via de Sitter space

Lechtenfeld, O, Zhilin, G

Journal:

Journal of Physics Conference Series

Year:

2019

Language:

english

File:

PDF, 731 KB

english, 2019

19

From YangâMills in de Sitter Space to Electromagnetic Knots

Lechtenfeld, O.

Journal:

Physics of Particles and Nuclei Letters

Year:

2020

File:

PDF, 307 KB

2020

20

The string measure and spectral flow of critical N = 2 strings

Sergei V Ketov, Olaf Lechtenfeld

Journal:

Physics Letters B

Year:

1995

Language:

english

File:

PDF, 707 KB

english, 1995

21

A new class of solutions to the WDVV equation

Olaf Lechtenfeld, Kirill Polovnikov

Journal:

Physics Letters A

Year:

2010

Language:

english

File:

PDF, 139 KB

english, 2010

22

Hidden symmetries of integrable conformal mechanical systems

Tigran Hakobyan, Sergey Krivonos, Olaf Lechtenfeld, Armen Nersessian

Journal:

Physics Letters A

Year:

2010

Language:

english

File:

PDF, 200 KB

english, 2010

23

Action-angle variables for dihedral systems on the circle

Olaf Lechtenfeld, Armen Nersessian, Vahagn Yeghikyan

Journal:

Physics Letters A

Year:

2010

Language:

english

File:

PDF, 182 KB

english, 2010

24

Supertwistors and cubic string field theory for open strings

Olaf Lechtenfeld, Alexander D. Popov

Journal:

Physics Letters B

Year:

2004

Language:

english

File:

PDF, 175 KB

english, 2004

25

Noncommutative instantons in 4k dimensions

Tatiana A. Ivanova, Olaf Lechtenfeld

Journal:

Physics Letters B

Year:

2005

Language:

english

File:

PDF, 158 KB

english, 2005

26

Time–space noncommutative Abelian solitons

Chong-Sun Chu, Olaf Lechtenfeld

Journal:

Physics Letters B

Year:

2005

Language:

english

File:

PDF, 151 KB

english, 2005

27

Noncommutative instantons on

Tatiana A. Ivanova, Olaf Lechtenfeld

Journal:

Physics Letters B

Year:

2006

Language:

english

File:

PDF, 109 KB

english, 2006

28

Calogero models and nonlocal conformal transformations

Anton Galajinsky, Olaf Lechtenfeld, Kirill Polovnikov

Journal:

Physics Letters B

Year:

2006

Language:

english

File:

PDF, 145 KB

english, 2006

29

Non-anticommutative solitons

Sergei V. Ketov, Olaf Lechtenfeld

Journal:

Physics Letters B

Year:

2008

Language:

english

File:

PDF, 182 KB

english, 2008

30

Noncommutative baby Skyrmions

Theodora Ioannidou, Olaf Lechtenfeld

Journal:

Physics Letters B

Year:

2009

Language:

english

File:

PDF, 163 KB

english, 2009

31

Ward identities and the vanishing theorem for loop amplitudes of the closed N=2 string

Klaus Jünemann, Olaf Lechtenfeld

Journal:

Physics Letters B

Year:

2000

Language:

english

File:

PDF, 98 KB

english, 2000

32

Double-vector multiplet and partially broken N=4, d=3 supersymmetry

E. Ivanov, S. Krivonos, O. Lechtenfeld

Journal:

Physics Letters B

Year:

2000

Language:

english

File:

PDF, 85 KB

english, 2000

33

On the integrability of covariant field theory for open N=2 strings

Olaf Lechtenfeld, AlexanderD. Popov

Journal:

Physics Letters B

Year:

2000

Language:

english

File:

PDF, 92 KB

english, 2000

34

Open N=2 strings in a B-field background and noncommutative self-dual Yang–Mills

Olaf Lechtenfeld, Alexander D. Popov, Bernd Spendig

Journal:

Physics Letters B

Year:

2001

Language:

english

File:

PDF, 110 KB

english, 2001

35

Scattering of noncommutative solitons in 2+1 dimensions

Olaf Lechtenfeld, Alexander D. Popov

Journal:

Physics Letters B

Year:

2001

Language:

english

File:

PDF, 95 KB

english, 2001

36

On nonperturbative solutions of superstring field theory

Alexander Kling, Olaf Lechtenfeld, Alexander D. Popov, Sebastian Uhlmann

Journal:

Physics Letters B

Year:

2003

Language:

english

File:

PDF, 105 KB

english, 2003

37

Noncommutative multi-instantons on R2n×S2

Tatiana A. Ivanova, Olaf Lechtenfeld

Journal:

Physics Letters B

Year:

2003

Language:

english

File:

PDF, 128 KB

english, 2003

38

Restoring reality for the self-dual N = 2 string

Jan Bischoff, Olaf Lechtenfeld

Journal:

Physics Letters B

Year:

1997

Language:

english

File:

PDF, 723 KB

english, 1997

39

Towards a stringy extension of self-dual super Yang–Mills

Anton Galajinsky, Olaf Lechtenfeld

Journal:

Physics Letters B

Year:

1999

Language:

english

File:

PDF, 79 KB

english, 1999

40

Solving string field equations: new uses for old tools

A. Kling, O. Lechtenfeld, A.D. Popov, S. Uhlmann

Journal:

Fortschritte der Physik

Year:

2003

Language:

english

File:

PDF, 93 KB

english, 2003

41

Noncommutative instantons and solitons

Journal:

Fortschritte der Physik

Year:

2004

Language:

english

File:

PDF, 147 KB

english, 2004

42

Many-particle mechanics withD(2, 1; α) superconformal symmetry

Sergey Krivonos, Olaf Lechtenfeld

Journal:

Journal of High Energy Physics

Year:

2011

Language:

english

File:

PDF, 321 KB

english, 2011

43

NewD(2, 1;α) mechanics with spin variables

S. Fedoruk, E. Ivanov, O. Lechtenfeld

Journal:

Journal of High Energy Physics

Year:

2010

Language:

english

File:

PDF, 981 KB

english, 2010

44

Heterotic compactifications on nearly Kähler manifolds

Olaf Lechtenfeld, Christoph Nölle, Alexander D. Popov

Journal:

Journal of High Energy Physics

Year:

2010

Language:

english

File:

PDF, 330 KB

english, 2010

45

Yang-Mills instantons on cones and sine-cones over nearly Kähler manifolds

Karl-Philip Gemmer, Olaf Lechtenfeld, Christoph Nölle, Alexander D. Popov

Journal:

Journal of High Energy Physics

Year:

2011

Language:

english

File:

PDF, 777 KB

english, 2011

46

Yang-Mills instantons and dyons on homogeneousG2-manifolds

Irina Bauer, Tatiana A. Ivanova, Olaf Lechtenfeld, Felix Lubbe

Journal:

Journal of High Energy Physics

Year:

2010

Language:

english

File:

PDF, 833 KB

english, 2010

47

Is soft breaking of BRST symmetry consistent?

Peter Lavrov, Olaf Lechtenfeld, Alexander Reshetnyak

Journal:

Journal of High Energy Physics

Year:

2011

Language:

english

File:

PDF, 278 KB

english, 2011

48

Yang-Mills Flows on Nearly Kähler Manifolds andG2-Instantons

Derek Harland, Tatiana A. Ivanova, Olaf Lechtenfeld, Alexander D. Popov

Journal:

Communications in Mathematical Physics

Year:

2010

Language:

english

File:

PDF, 1.61 MB

english, 2010

49

Chiral BRST Cohomology ofN= 2 Strings at Arbitrary Ghost and Picture Number

Klaus Jünemann, Olaf Lechtenfeld

Journal:

Communications in Mathematical Physics

Year:

1999

Language:

english

File:

PDF, 108 KB

english, 1999

50

A torsional rheometer with a double slit arrangement suitable for fast gelation

Markus Lechtenfeld, Alois Michalczyk, Werner Borchard

Journal:

Rheologica Acta

Year:

2001

Language:

english

File:

PDF, 105 KB

english, 2001