Results 131 to 140 of about 7,196,011 (327)
Supernormal cones and fixed point theory
Rocky Mountain Journal of Mathematics, 1987 Let (E,Spec(E)) be a locally convex space as defined by Treves. We denote by E' the topological dual of E. A subset \(K\subset E\) is said to be a convex cone if (i) \(K+K\subset K\), (ii) \(\forall \lambda \in R_+\), \(\lambda\) \(K\subset K\). If K is a convex cone, we denote by K' the dual cone of K with respect to the duality \(0\) such that ...
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A Soft Microrobot for Single‐Cell Transport, Spheroid Assembly, and Dual‐Mode Drug Screening
Advanced Materials, EarlyView.A soft, untethered hydrogel microrobot enables precise single‐cell delivery, self‐assembly into 3D spheroids, and real‐time thermal actuation. Driven by light‐induced convection and embedded with gold nanorods and temperature sensors, the microrobot guides cells, modulates local microenvironments, and supports drug testing.
Philipp Harder +3 more
wiley +1 more source
Advanced Materials, EarlyView.Magnetic doping of the topological insulator Bi2Te3 with erbium adatoms induces out‐of‐plane magnetism and breaks time‐reversal symmetry, opening a Dirac gap and driving a Fermi surface transition from hexagonal to star‐of‐David geometry. Microscopy, spectroscopy, and magnetic dichroism reveal atomically controlled magnetic interactions that tailor the
Beatriz Muñiz Cano +18 more
wiley +1 more source
Nonperturbative causal light-cone field theory [PDF]
Proceedings of LIGHT CONE 2008 Relativistic Nuclear and Particle Physics — PoS(LC2008), 2009 Institut fur Theoretische PhysikD-93040, Universitat Regensburg - GermanyE-mail:ernst.werner@physik.uni-regensburg.deWe discuss the implementation of Light Cone Field Theory (LCFT) in the causal Bogoliubov-Epstein-Glaser finite S-matrix formulation. The benefits result from the simple vacuum structureof LCFT which make possible calculations of the S ...
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Spin‐Split Edge States in Metal‐Supported Graphene Nanoislands Obtained by CVD
Advanced Materials, EarlyView.Combining STM measurements and ab‐initio calculations, we show that zig‐zag edges in graphene nanoislands grown on Ni(111) by CVD retrieve their spin‐polarized edge states after intercalation of a few monolayers of Au. ABSTRACT Spin‐split states localized on zigzag edges have been predicted for different free‐standing graphene nanostructures.
Michele Gastaldo +6 more
wiley +1 more source
Seal-surface Contact Stress Analysis of the Connection under Tension-compression Alternating Load
Shiyou jixie, 2018 To select proper gas-seal connection of injection-production casing string under tension-compression alternating loads, based on the nonlinear theory of elastoplastic contact, the finite element analysis method is used to investigate the distribution of ...
Wang Jianjun +3 more
doaj
Advanced Materials, EarlyView.Ionic epoxy networks are prepared using ammonium salts as hardeners, leading to a two‐stage curing process with a thermoplastic‐like intermediate. This uncommon behavior enables extrusion and fabrication of thermoplastic prepregs that can be cured into thermoset composites.
Izabela Kurowska +10 more
wiley +1 more source
Experimental and theoretical aerodynamic characteristics of two hypersonic cruise aircraft concepts at Mach numbers of 2.96, 3.96, and 4.63 [PDF]
The longitudinal and lateral directional aerodynamic characteristics for two Mach 5 cruise aircraft concepts were determined for test Mach numbers of 2.96, 3.96, and 4.63.
Pittman, J. L., Riebe, G. D.
core +1 more source
Assembling a True “Olympic Gel” From over 16 000 Combinatorial DNA Rings
Advanced Materials, EarlyView.Olympic gels are an elusive class of soft matter, consisting of molecular networks held together purely by mechanically interlocked rings. Their topological structure promises unique properties and functions, but their synthesis has proven notoriously difficult.
Sarah K. Speed +9 more
wiley +1 more source
Coordinate light-cone-ordered perturbation theory
The European Physical Journal Special Topics29 pages, 7 figures, published in the European Physical Journal Special Topics as a contribution to the issue Physics at the Light ...
George Sterman, Ozan Erdoğan
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