Zobrazeno 1 - 10
of 2 612
pro vyhledávání: '"Ahlberg P"'
Autor:
Veledina, Alexandra, Poutanen, Juri, Bocharova, Anastasiia, Di Marco, Alessandro, Forsblom, Sofia V., La Monaca, Fabio, Podgorny, Jakub, Tsygankov, Sergey S., Zdziarski, Andrzej A., Ahlberg, Varpu, Green, David A., Muleri, Fabio, Rhodes, Lauren, Bianchi, Stefano, Costa, Enrico, Dovciak, Michal, Loktev, Vladislav, McCollough, Michael, Soffitta, Paolo, Sunyaev, Rashid
Publikováno v:
A&A 688, L27 (2024)
Cygnus X-3 is an enigmatic X-ray binary, that is both an exceptional accreting system and a cornerstone for the population synthesis studies. Prominent X-ray and radio properties follow a well-defined pattern, yet the physical reasons for the state c
Externí odkaz:
http://arxiv.org/abs/2407.02655
Consider the complete bipartite graph on $n+n$ vertices where the edges are equipped with i.i.d. exponential costs. A matching of the vertices is stable if it does not contain any pair of vertices where the connecting edge is cheaper than both matchi
Externí odkaz:
http://arxiv.org/abs/2406.04911
Publikováno v:
A&A 688, A220 (2024)
The reflection of X-ray radiation produced near a compact object from its stellar companion contributes to the orbital variability of polarization in X-ray binaries. The X-rays are reflected mainly via Thomson scattering resulting in a high polarizat
Externí odkaz:
http://arxiv.org/abs/2403.17644
Publikováno v:
In: Bandyopadhyay, S., Barman, A. (eds) Nanomagnets as Dynamical Systems. Nanostructure Science and Technology. Springer, Cham (2024)
Magnetic droplets are nanoscale, non-topological, dynamical solitons that can be nucleated in different spintronic devices, such as spin torque nano-oscillators (STNOs) and spin Hall nano-oscillators (SHNOs). This chapter first briefly discusses the
Externí odkaz:
http://arxiv.org/abs/2312.14621
Effects of scattering in the accretion funnel on the pulse profiles of accreting millisecond pulsars
The hotspot emission of accreting millisecond pulsars (AMPs) undergoes scattering in the accretion flow between the disk inner radius and the neutron star surface. The scattering optical depth of the flow depends on the photon emission angle, which i
Externí odkaz:
http://arxiv.org/abs/2312.08142
We study an interacting system of competing particles on the real line. Two populations of positive and negative particles evolve according to branching Brownian motion. When opposing particles meet, their charges neutralize and the particles annihil
Externí odkaz:
http://arxiv.org/abs/2312.03669
Autor:
Larsen, Martin Vonheim, Rolfsjord, Sigmund, Gusland, Daniel, Ahlberg, Jörgen, Mathiassen, Kim
The field of visual object tracking is dominated by methods that combine simple tracking algorithms and ad hoc schemes. Probabilistic tracking algorithms, which are leading in other fields, are surprisingly absent from the leaderboards. We found that
Externí odkaz:
http://arxiv.org/abs/2309.12035
Autor:
Ahlberg, Daniel, de la Riva, Daniel
Assign independent weights to the edges of the square lattice, from the uniform distribution on $\{a,b\}$ for some $0
Externí odkaz:
http://arxiv.org/abs/2308.16388
Reinforcement learning has been widely successful in producing agents capable of playing games at a human level. However, this requires complex reward engineering, and the agent's resulting policy is often unpredictable. Going beyond reinforcement le
Externí odkaz:
http://arxiv.org/abs/2308.07598
Autor:
Jiang, Sheng, Chung, Sunjae, Ahlberg, Martina, Frisk, Anreas, Le, Q. Tuan, Mazraati, Hamid, Houshang, Afshin, Heinonen, Olle, Åkerman, Johan
Magnetic droplets are nanoscale, non-topological, magnetodynamical solitons that can be nucleated in spin torque nano-oscillators (STNOs) or spin Hall nano-oscillators (SHNOs). All theoretical, numerical, and experimental droplet studies have so far
Externí odkaz:
http://arxiv.org/abs/2304.05825