Searching for authors named "James Alexander" – sorted by Relevance.
7 documents found, showing 1 through 7.
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Sliding Modes In Intersecting Switching Surfaces, Ii: Hysteresis
- …. When a flow, discontinuous across a switching surface, points "inward" so one cannot leave, it induces a unique flow within the surface, called the sliding mode. Uniqueness of sliding modes does not obtain in general when several such surfaces intersect, and models must be refined. Following our e…
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Techniques of Side Channel Cryptanalysis
- …I hereby declare that I am the sole author of this thesis. This is a true copy of the thesis, including any required final revisions, as accepted by my examiners. I understand that my thesis may be made electronically available to the public. ii The traditional model of cryptography examines the sec…
- Cited by 8 (0 self) – Add To MetaCart
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On the Foundations of Termination Analysis of Active Database Rules
- …Traditional database systems provide a mechanism for storing large amounts of data and an interface for querying and manipulating this data. They are, however, passive in the sense that their state can only change as a result of outside influences. An active database system enhances a traditional da…
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Efficient Integer Representations for Cryptographic Operations
- …I hereby declare that I am the sole author of this thesis. This is a true copy of the thesis, including any required final revisions, as accepted by my ex-aminers. I understand that my thesis may be made electronically available to the public. iii Every positive integer has a unique radix 2 represen…
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Sliding Modes in Intersecting Switching Surfaces
- …: When a flow, discontinuous across a switching surface, points `inward' so one cannot leave, it induces a unique flow within the surface, called the sliding mode. When several such surfaces intersect, one would seek a flow within the intersection, but some difficulties arise. We explore here the ex…
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Sets of local non-uniqueness points for autonomous scalar ODEs
- …It is known that if f : R # R is continuous then x = f(x) with x(0) = x 0 has at least one solution on some time interval [0, T (x 0 )). However, when f is not Lipschitz one cannot guarantee that the solutions are unique. In this paper we show that the set of points x 0 # R is a countable, no…
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Identity Based Key Encapsulation with Wildcards
- …We propose a hybrid (KEM/DEM) model for the recently proposed primitive of identity-based encryption with wildcards (WIBE), and confirm that the hybrid construction is secure. We also propose new chosenciphertext secure WIBE schemes that have somewhat more e#cient security reductions and some pe…
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