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旋涡星系最显著的观测特征就是包含精美的旋臂结构(如图1:风车星系M101)。旋臂的结构特征包含了旋涡星系形成和演化过程中的众多未解之谜。今天,我们有足够的证据表明,银河系是一个包含着多条旋臂结构的巨型旋涡星系。但是,由于太阳身处银河系的中心盘面上,银盘上众多气体和尘埃的消光效应使得银河系旋臂结构性质的测量困难重重。
Let A be a subset of the integers and let Snbe the number of heads in n tosses of a p coin. If limn,, P(SnE A) exists for some p then the limit exists for all p and does not depend on p. The relat...
We analyze the natural process of flipping a coin which is caught in the hand. We show that vigorously flipped coins tend to come up the same way they started. The limiting chance of comin...
Abstract: Presented here is a general view on adiabatic and resonant wave-particle interactions leading to a uniform description of nonlinear ponderomotive effects in very different environments, from...
Abstract: Presented here is a general view on adiabatic and resonant wave-particle interactions leading to a uniform description of nonlinear ponderomotive effects in very different environments, from...
Random linear systems over the Galois Field modulo 2 have an interest in connection with problems ranging from computational op-timization to complex networks.
Multi-dimensional quantum walks usually require large coin spaces. Here we show that the non-localized case of the spatial density probability of the two-dimensional Grover walk can be obtained using ...
Coin flipping is a cryptographic primitive for which strictly better protocols exist if the players are not only allowed to exchange classical, but also quantum messages. During the past few years, ...
In this paper, we present a loss-tolerant quantum strong coin flipping protocol with bias "  0:359. This is an improvement over Berlin et al. ’s protocol [BBBG08] which achieves a bias of 0:4. To ac...
The counterfeit coin problem requires us to find all false coins from a given bunch of coins using a balance scale. We assume that the balance scale gives us only “balanced” or tilted” information an...
We study the asymptotic position distribution of general quantum walks on a lattice, including walks with a random coin, which is chosen from step to step by a general Markov chain. In the unitary (...
We measured respiratory release rates of CO2 from various taxonomic groups of zooplankton during three cruises in winter, spring, and summer in the North Atlantic Ocean. Zooplankton species collected ...

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