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95 papers · 1 filter
Modeling Hessian-vector products in nonlinear optimization: New Hessian-free methods
Lili Song, Luis Nunes Vicente
In this paper, we suggest two ways of calculating interpolation models for unconstrained smooth nonlinear optimization when Hessian-vector products are available. The main idea is…
Underlying event measurements in + collisions at GeV at RHIC
STAR Collaboration, J. Adam, L. Adamczyk +347
Particle production sensitive to non-factorizable and non-perturbative processes that contribute to the underlying event associated with a high transverse momentum () jet in…
An Environmentally Stable and Lead-Free Chalcogenide Perovskite
Tushar Gupta, Debjit Ghoshal, Anthony Yoshimura +14
Organic-inorganic halide perovskites are intrinsically unstable when exposed to moisture and/or light. Additionally, the presence of lead in many perovskites raises toxicity concer…
An Asymptotically Compatible Formulation for Local-to-Nonlocal Coupling Problems without Overlapping Regions
Huaiqian You, Yue Yu, David Kamensky
In this paper we design and analyze an explicit partitioned procedure for a 2D dynamic local-to-nonlocal (LtN) coupling problem, based on a new nonlocal Robin-type transmission con…
Exact solutions for ground effect
Peter J. Baddoo, Melike Kurt, Lorna J. Ayton +1
"Ground effect" refers to the enhanced performance enjoyed by fliers or swimmers operating close to the ground. We derive a number of exact solutions for this phenomenon, thereby e…
KELT-25b and KELT-26b: A Hot Jupiter and a Substellar Companion Transiting Young A-stars Observed by TESS
Romy Rodríguez Martínez, B. Scott Gaudi, Joseph E. Rodriguez +89
We present the discoveries of KELT-25b (TIC 65412605, TOI-626.01) and KELT-26b (TIC 160708862, TOI-1337.01), two transiting companions orbiting relatively bright, early A-stars. Th…