Tootfinder

The Americans moving to wartime Russia for 'traditional values' (Polina Ivanova/Financial Times)
https://www.ft.com/content/7ef63497-7445-4b9d-b10b-97dea3c38263
http://www.memeorandum.com/250902/p63#a250902p63

Quantum Optics and Quantum Electrodynamics of Strong Field Processes
Marcelo F. Ciappina, Misha Yu. Ivanov, Maciej Lewenstein, Javier Rivera-Dean, Philipp Stammer, Paraskevas Tzallas
https://arxiv.org/abs/2509.26602

Quantum Optics and Quantum Electrodynamics of Strong Field Processes
In its beginnings, the physics of intense laser-matter interactions was the physics of multiphoton processes. The theory was reduced then to high-order perturbation theory, while treating matter and light in a quantum manner. With the advent of chirped pulse amplification developed by D. Strickland and G. Mourou, which enabled generation of ultra-intense, ultra-short, coherent laser pulses, the need for a quantum electrodynamics description of electromagnetic (EM) fields practically ceased to e…

🇺🇦 Auf radioeins läuft...
Jamie Woon:
🎵 Heavy Going...
#NowPlaying #JamieWoon
https://open.spotify.com/track/79ieU2vuYImbGnz3E3a9Y3

Chambers and walls in spaces of real algebraic curves of small degrees
Victor Ivanovich Zvonilov
https://arxiv.org/abs/2510.00751 https://arxiv.org/pdf/251…

Chambers and walls in spaces of real algebraic curves of small degrees
This paper reviews known results on the rigid isotopy classification of plane curves of degree $m\leq6$ and curves of small degrees on quadrics. The paper's study completes the rigid isotopy classification of nonsingular real algebraic curves of bidegree (4,3) on a hyperboloid, begun by the author in earlier works. There are given previously missing proofs of the uniqueness of the connected components for 16 classes of real algebraic curves of bidegree (4,3) having a single node or a cusp. The …

Periodic patterns in simple biological differential delay models
A. Ivanov, S. Shelyag
https://arxiv.org/abs/2509.25396 https://arxiv.org/pdf/2509.25396

Periodic patterns in simple biological differential delay models
Periodic patterns in dynamical behaviours of biological models described by simple form differential delay equations are studied. Mathematical models are given by a class of scalar delay differential equations with a multiplicative time periodic mixed coefficient and a nonlinear delayed negative feedback. The dynamics is studied analytically with supportive numerical simulation and justification of the theoretical outcomes. The principal nonlinearity involving the state variable is of the negat…

Safety Evaluation of Motion Plans Using Trajectory Predictors as Forward Reachable Set Estimators
Kaustav Chakraborty, Zeyuan Feng, Sushant Veer, Apoorva Sharma, Wenhao Ding, Sever Topan, Boris Ivanovic, Marco Pavone, Somil Bansal
https://arxiv.org/abs/2507.22389

Safety Evaluation of Motion Plans Using Trajectory Predictors as Forward Reachable Set Estimators
The advent of end-to-end autonomy stacks - often lacking interpretable intermediate modules - has placed an increased burden on ensuring that the final output, i.e., the motion plan, is safe in order to validate the safety of the entire stack. This requires a safety monitor that is both complete (able to detect all unsafe plans) and sound (does not flag safe plans). In this work, we propose a principled safety monitor that leverages modern multi-modal trajectory predictors to approximate forwar…

One-Loop Galaxy Bispectrum: Consistent Theory, Efficient Analysis with COBRA, and Implications for Cosmological Parameters
Thomas Bakx, Mikhail M. Ivanov, Oliver H. E. Philcox, Zvonimir Vlah
https://arxiv.org/abs/2507.22110

One-Loop Galaxy Bispectrum: Consistent Theory, Efficient Analysis with COBRA, and Implications for Cosmological Parameters
We present an efficient and accurate pipeline for the analysis of the redshift-space galaxy bispectrum multipoles at one-loop order in effective field theory (EFT). We provide a systematic theory derivation based on power counting, which features the first comprehensive treatment of stochastic EFT contributions -- these are found to significantly improve the match to data. Our computational pipeline utilizes the COBRA technique that expands the linear matter power spectrum over a basis of princ…

Magnus submonoids and membership problems in one-relator, surface and hyperbolic groups
Islam Foniqi, Robert D. Gray
https://arxiv.org/abs/2509.24480 https://

Magnus submonoids and membership problems in one-relator, surface and hyperbolic groups
Motivated by its applications to the word problem for one-relator inverse monoids, via results of Ivanov, Margolis, and Meakin (2001), we prove several decidability and undecidability results about the submonoid membership problem in one-relator, surface and hyperbolic groups. We prove a general result that gives sufficient conditions under which membership in submonoids of certain free-by-cyclic one-relator groups is decidable. We apply this result to show that membership in various families o…

„Digitale Gewalt ist ein Thema, das nicht immer nur bei 'Frauen und Familien' angesiedelt sein sollte..
(spontaner Applaus des ganzen Saals)
.. sondern auch bei Bildung, IT-Sicherheit oder bei Forschung!“
(mehr Applaus)
Ophélie Ivombo, @… , beim Fachtag

🇺🇦 #NowPlaying on #BBC6Music's #HuwStephens
Loyle Carner:
🎵 Ottolenghi (feat. Jordan Rakei)
#LoyleCarner
https://loylecarnerband.bandcamp.com/track/ottolenghi
https://open.spotify.com/track/64I9byMYBlS1ARsC3vtpgW