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Univ.-Prof. Dipl.-Phys. Dr. Stefan Fredenhagen
T: +43-1-4277-51516
Bagchi, A., Chakraborty, P., Chakrabortty, S., Fredenhagen, S., Grumiller, D., & Pandit, P. (2025). Boundary Carrollian Conformal Field Theories and Open Null Strings. Physical Review Letters, 134(7), Article 071604. https://doi.org/10.1103/PhysRevLett.134.071604
Fredenhagen, S., Lausch, F., & Mkrtchyan, K. (2024). Interactions of massless fermionic fields in three dimensions. Physical Review D, 110(8), Article L081702. https://doi.org/10.48550/arXiv.2404.00497, https://doi.org/10.1103/PhysRevD.110.L081702
Campoleoni, A., & Fredenhagen, S. (2024). Higher-Spin Gauge Theories in Three Spacetime Dimensions. In S. Fredenhagen (Ed.), Introductory Lectures on Higher-Spin Theories (pp. 121-267). Springer Nature. https://doi.org/10.1007/978-3-031-59656-8_2
Fredenhagen, S., & Steinacker, H. C. (2021). Exploring the gravity sector of emergent higher-spin gravity: effective action and a solution. Journal of High Energy Physics, 2021(5), Article 183. https://doi.org/10.1007/JHEP05(2021)183
Behr, N., & Fredenhagen, S. (2021). Fusion of interfaces in Landau-Ginzburg models: a functorial approach. Journal of High Energy Physics, 2021(4), Article 235. https://doi.org/10.1007/JHEP04(2021)235
Fredenhagen, S., Krüger, O., & Mkrtchyan, K. (2020). Restrictions for n-point vertices in higher-spin theories. Journal of High Energy Physics, 2020(6), Article 118. https://doi.org/10.1007/JHEP06(2020)118
Fredenhagen, S., Krueger, O., & Mkrtchyan, K. (2019). Vertex Constraints in 3D Higher Spin Theories. Physical Review Letters, 123(13), Article 131601. https://doi.org/10.1103/PhysRevLett.123.131601
Fredenhagen, S., Krueger, O., & Mkrtchyan, K. (2019). Constraints for three-dimensional higher-spin interactions and conformal correlators. Physical Review D, 100(6), Article 066019. https://doi.org/10.1103/PhysRevD.100.066019
Campoleoni, A., Fredenhagen, S., & Raeymaekers, J. (2018). Quantizing higher-spin gravity in free-field variables. Journal of High Energy Physics, 2018(2), Article 126. https://doi.org/10.1007/JHEP02(2018)126

Carrollian and Galilean W-algebras

Fredenhagen, S. (Speaker)

12 Sept 2025

Activity: Talks and presentations › Talk or oral contribution › Science to Science

On interactions of higher-spin gauge fields in three dimensions

Fredenhagen, S. (Speaker)

19 Feb 2024

Activity: Talks and presentations › Talk or oral contribution › Science to Science

On interactions of (Fang-)Fronsdal fields in three dimensions

Fredenhagen, S. (Speaker)

11 Jan 2024

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Interactions of metric-like higher-spin fields

Fredenhagen, S. (Invited speaker)

26 Feb 2020

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Obstructions to interacting higher-spin gauge theories in three dimensions

Fredenhagen, S. (Invited speaker)

16 May 2019

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Higher-spin interactions in three dimensions

Fredenhagen, S. (Invited speaker)

6 May 2019

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Constraints on higher-spin interactions in three dimensions

Fredenhagen, S. (Invited speaker)

29 Apr 2019

Activity: Talks and presentations › Talk or oral contribution › Science to Science

3d Higher-Spin in Different Gauges

Fredenhagen, S. (Invited speaker)

5 Dec 2018

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Aspects of three-dimensional higher-spin gravity

Fredenhagen, S. (Invited speaker)

21 Sept 2017

Activity: Talks and presentations › Talk or oral contribution › Science to Science

On asymptotic W-symmetries in 3d higher-spin gauge theories

Fredenhagen, S. (Invited speaker)

26 Apr 2017

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Aspects of higher spins

Fredenhagen, S. (Speaker)

31 Jan 2017

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Fusion of interfaces in Landau-Ginzburg models

Fredenhagen, S. (Invited speaker)

24 Nov 2016

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Challenges in higher spins

Fredenhagen, S. (Speaker)

17 Nov 2016

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Über Strings und höhere Spins

Fredenhagen, S. (Invited speaker)

8 Nov 2016

Activity: Talks and presentations › Talk or oral contribution › Science to Science

Mathematical Physics

Head

Währinger Straße 38-42
1090 Wien
Room: 3522

T: +43-1-4277-51516

stefan.fredenhagen@univie.ac.at