Results 1 to 10 of about 835,228 (309)
Proceedings of the National Academy of Sciences, 2003 We associate to the action of a compact Lie group G on a line bundle over a compact oriented even-dimensional manifold a virtual representation of G using a twisted version of the signature operator.
Guillemin, Victor +2 more
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The Signature of a Splice [PDF]
International Mathematics Research Notices, 2016 We study the behavior of the signature of colored links [Flo05, CF08] under the splice operation. We extend the construction to colored links in integral homology spheres and show that the signature is almost additive, with a correction term independent of the links. We interpret this correction term as the signature of a generalized Hopf link and give
Degtyarev, Alex +2 more
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Proceedings of the 8th ACM SIGSAC symposium on Information, computer and communications security, 2013 We develop a three-level hierarchy of privacy notions for (unforgeable) digital signature schemes. We first prove mutual independence of existing notions of anonymity and confidentiality, and then show that these are implied by higher privacy goals.
Nils Fleischhacker +4 more
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Journal für die reine und angewandte Mathematik (Crelles Journal), 1993 Let \(Y\subset\mathbb{R}^ n\) be a codimension one analytic set, and fix a signature \(\sigma\) on \(\mathbb{R}^ n\backslash Y\) \((\sigma\) associates a \(\text{sign}+1\) or \(-1\) to each connected component of \(\mathbb{R}^ n\backslash Y)\). The signature \(\sigma\) is admissible at \(x\in Y\) when the germ \(\sigma_ x\) is induced by a germ of ...
ACQUISTAPACE, FRANCESCA +1 more
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Towards Signature-Only Signature Schemes [PDF]
, 2000 We consider a problem which was stated in a request for comments made by NIST in the FIPS97 document. The question is the following: Can we have a digital signature public key infrastructure where the public (signature verification) keys cannot be abused for performing encryption?
Adam L. Young, Moti Yung
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, 2015 Motivated by the application of anonymous petitions, we formalize a new primitive called "graded signatures", which enables a user to consolidate a set of signatures on a message m originating from l different signers that are members of a PKI. We call the value $$l \in \mathbb {N}$$l∈N, the grade of the consolidated signature.
Aggelos Kiayias +2 more
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CoRR, 2022 In this work we investigate the use of the Signature Transform in the context of Learning. Under this assumption, we advance a supervised framework that potentially provides state-of-the-art classification accuracy with the use of few labels without the need of credit assignment and with minimal or no overfitting.
de Curtò, J. +3 more
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On Authentication, Digital Signatures and Signature Laws [PDF]
, 1999 The public debate arising from the introduction of signature laws in North America, Europe and elsewhere has prompted this paper. This paper analyses and compares the closely interrelated concepts of authentication, digital signatures and electronic signature laws and tries to explain and resolve some of the ambiguities. Non-trivial problems and issues
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Signatures and higher signatures of $S^1$ -quotients [PDF]
Mathematische Annalen, 2000 We define and study the signature, A-hat genus and higher signatures of the quotient space of an $S^1$-action on a closed oriented manifold. We give applications to questions of positive scalar curvature and to an Equivariant Novikov Conjecture.
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Impact of Signature Legibility and Signature Type in Off-Line Signature Verification
2007 Biometrics Symposium, 2007 The performance of two popular approaches for off-line signature verification in terms of signature legibility and signature type is studied. We investigate experimentally if the knowledge of letters, syllables or name instances can help in the process of imitating a signature.
Alonso-Fernandez, Fernando +3 more
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