نتایج جستجو برای: boyle
تعداد نتایج: 1077 فیلتر نتایج به سال:
We show that any direction in the plane occurs as the unique nonexpansive direction of a Z2 action, answering a question of Boyle and Lind. In the case of rational directions, the subaction obtained is non-trivial. We also establish that a cellular automaton acting on a subshift can have zero Lyapunov exponents and at the same time act sensitively; and more generally, for any positive real θ th...
We show that both variants of the Dual Counter Mode of encryption (DCM) submitted for consideration as an AES mode of operation to NIST by M. Boyle and C. Salter of the NSA are insecure with respect to both secrecy and integrity in the face of chosen-plaintext attacks. We argue that DCM cannot be easily changed to satisfy its stated performance goal and be secure. Hence repairing DCM does not a...
Recent research has evaluated the motivational functions of educational games and its potential role for the teaching of reading skills. Educational games must maintain their educational function retaining clear definitions of the teaching objectives and instructional methods. Reading skills can be broken down into more basic behavioral units. Each relation between spoken words and written word...
This paper presents a construction of nonnegative matrices with nonzero spectrum τ = (3 + t, 3− t,−2,−2,−2) for t > 0. The result presented gives a constructive proof of a result of Boyle and Handelman in this special case. This example exhibits a surprisingly fast convergence of the spectral gap of τ to zero as a function of the number of zeros that are added to the spectrum.
Physico-chemical doubts and paradoxes abound in the description of forces and in the molecular simulation of the crystalline state, as they did in Boyle’s times about the inner structure of matter. Solidstate structuring and bonding are still characterized in sometimes doubtful, sometimes paradoxical, and sometimes distorted terminologies. Phase transitions are mostly considered as just relatio...
A general framework for investigating topological actions of Z d on compact metric spaces was proposed by Boyle and Lind in terms of expansive behavior along lower-dimensional subspaces of R d. Here we completely describe this expansive behavior for the class of algebraic Z d-actions given by commuting automorphisms of compact abelian groups. The description uses the logarithmic image of an alg...
A. Adhyatman‡, G. Arrowsmith-Kron‡, K. Boyle†, R. Bruce‡, K. Capobianco-Hogan‡, R. Cervantes‡, J. Chang‡, B. Coe‡, K. Dehmelt‡, A. Deshpande‡∗, N. Feege‡∗, Y. Goto§, R. Gupta¶, S. Jeffas‡, T. K. Hemmick‡, P. Karpov‡, Y. Ko‡, T. Krahulik‡, J. LaBounty‡, T. LaByer‡, R. Lefferts‡, A. Lipski‡, R. Losacco‡, S. Mahmud‡, E. Michael‡, I. Nakagawa§, J. Nam‡, A. Oliveira‡, B. Parker¶, V. Ptitsyn¶, A. Qua...
Nicholas W. Taylor, Michael Boyle, Christian Reisswig, Mark A. Scheel, Tony Chu, Lawrence E. Kidder, and Béla Szilágyi Theoretical Astrophysics 350-17, California Institute of Technology, Pasadena, California 91125, USA Center for Radiophysics and Space Research, Cornell University, Ithaca, New York 14853, USA Canadian Institute for Theoretical Astrophysics, University of Toronto, 60 St. George...
The structure of a sofic shift space is investigated, and Krieger’s embedding theorem and Boyle’s factor theorem are generalized to a large class of sofic shifts.
Abdul H. Mroué, Mark A. Scheel, Béla Szilágyi, Harald P. Pfeiffer, 3 Michael Boyle, Daniel A. Hemberger, 4 Lawrence E. Kidder, Geoffrey Lovelace, 2 Serguei Ossokine, 6 Nicholas W. Taylor, Anıl Zenginoğlu, Luisa T. Buchman, Tony Chu, Evan Foley, Matthew Giesler, Robert Owen, and Saul A. Teukolsky Canadian Institute for Theoretical Astrophysics, 60 St. George Street, University of Toronto, Toront...
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