Results 131 to 140 of about 8,210 (289)
Loop Quantum Photonic Chip for Coherent Multi‐Time‐Step Evolution
Laser &Photonics Reviews, EarlyView.A loop quantum photonic chip (Loop‐QPC) enabling efficient multi‐step quantum simulation in a single run is demonstrated. Combining recirculating loops with cycle‐or‐measure control, Loop‐QPC eliminates repeated reprogramming and reduces loss. Experimental demonstration of three‐step unitary evolution confirms high‐fidelity operation, showcasing the ...
Yuancheng Zhan +9 more
wiley +1 more source
Simulation of Quantum Discrete Cosine Transform for Grayscale Image Compression Using Qiskit
IEEE AccessThe Discrete Cosine Transform (DCT) is an integral part of classical image compression, which becomes the basis of the JPEG standard. With advances in quantum computing, there is growing interest in exploring quantum analogues of classical algorithms for
Felix Montalfu +3 more
doaj +1 more source
Theory of Supercritical Coupling and Generalized Bound States in the Continuum
Laser &Photonics Reviews, EarlyView.We develop a general theory of supercritical coupling and generalized bound states in the continuum (gBICs), revealing how interference between radiative and absorptive channels enables quality factors beyond conventional material‐loss limits. The framework unifies non‐Hermitian mode coupling, causality‐driven reactive interactions, and interference ...
Sergio Balestrieri +3 more
wiley +1 more source
Operators similar to unitary or selfadjoint ones [PDF]
Pacific Journal of Mathematics, 1983 openaire +2 more sources
Kuga–Satake Construction on Families of K3 Surfaces of Picard Rank 14
Mathematische Nachrichten, EarlyView.ABSTRACT The isometry between the type IV6 and the type II4 hermitian symmetric domains suggests a possible relation between suitable moduli spaces of K3 surfaces of Picard rank 14 and of polarized abelian 8‐folds with totally definite quaternion multiplication. We show how this isometry induces a geometrically meaningful map between such moduli spaces
Flora Poon
wiley +1 more source
Magnetic Resonance in Medicine, EarlyView.ABSTRACT Aims Purpose: Dictionary matching is a standard tool in quantitative MRI (qMRI), but typically lacks uncertainty quantification (UQ). This is critical when advanced reconstructions (e.g., compressed sensing, deep learning) introduce complex‐valued, spatially varying, and temporally correlated noise that violates standard assumptions of ...
Brian Toner +7 more
wiley +1 more source
A Chance‐Constrained Model for a Production Routing Problem With Uncertain Availability of Vehicles
Networks, EarlyView.ABSTRACT The Production Routing Problem (PRP) is a complex integrated problem that allows for the achievement of competitive advantages, such as better management of inventory, reduction in operational costs and lead times, improvement in efficiency and customer service, and better response to market changes.
Alline Zanette +2 more
wiley +1 more source
Some Convexity Features Associated with Unitary Orbits
, 2003 Let be the real linear space of n × n complex Hermitian matrices. The unitary (similarity) orbit of C ∈ is the collection of all matrices unitarily similar to C.
Man-Duen Choi +2 more
core +1 more source
Public Administration and Development, EarlyView.ABSTRACT Women remain significantly underrepresented in political leadership worldwide. This study examines how different combinations of government accountability mechanisms enhance women's political representation (WPR) as a pathway to leadership in 30 OECD countries.
Samira Nazar, Seyed Ashkan Zarghami
wiley +1 more source
Public Administration and Development, EarlyView.ABSTRACT The third sector has emerged as an increasingly important actor in governance, social development, and public service delivery across the Gulf Cooperation Council (GCC), yet scholarly understanding of its evolution, institutional capacity, and policy role remains fragmented and uneven.
Moosa Elayah +2 more
wiley +1 more source