papers
Publications (3)
hep-th2000
Orientifolds with discrete torsion
Mathias Klein, Raul Rabadan
We show how discrete torsion can be implemented in D=4, N=1 type IIB orientifolds. Some consistency conditions are found from the closed string and open string spectrum and from ta…
astro-ph.CO2022
The eROSITA Final Equatorial-Depth Survey (eFEDS): X-ray Properties and Scaling Relations of Galaxy Clusters and Groups
Y. Emre Bahar, Esra Bulbul, Nicolas Clerc +16
We investigate the scaling relations between X-ray observables of the clusters detected in the eFEDS field using Spectrum-Roentgen-Gamma/eROSITA observations taking into account th…
econ.EM2025
Estimating Fiscal Multipliers by Combining Statistical Identification with Potentially Endogenous Proxies
Sascha A. Keweloh, Mathias Klein, Jan Prüser
Different proxy variables used in fiscal policy SVARs lead to contradicting conclusions regarding the size of fiscal multipliers. Our analysis suggests that the conflicting results…