473 citations
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- Czech Academy of Sciences, Astronomical InstituteCZ74 papers
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32 papers · 1 filter
Avalanche Effect in Improperly Initialized CAESAR Candidates
Martin Ukrop, Petr Švenda
Cryptoprimitives rely on thorough theoretical background, but often lack basic usability features making them prone to unintentional misuse by developers. We argue that this is tru…
Sending Money Like Sending E-mails: Cryptoaddresses, The Universal Decentralised Identities
Michal Zima
Sending money in cryptocurrencies is majorly based on public keys or their hashed forms -- "addresses." These long random-looking strings are user unfriendly for transferring by ot…
Characterizing DAG-depth of Directed Graphs
Matúš Bezek
We study DAG-depth, a structural depth measure of directed graphs, which naturally extends the tree-depth of ordinary graphs. We define a DAG-depth decomposition as a strategy for…
An Investigation of Four Chemically Peculiar Stars with Photometric Periods below 12 Hours
Stefan Hümmerich, Klaus Bernhard, Ernst Paunzen +3
We present an investigation of three chemically peculiar (CP) stars and one CP star candidate which exhibit photometric periods below 12 hours. New spectroscopic observations have…
Polarization anisotropy of the emission from type-II quantum dots
P. Klenovsky, D. Hemzal, P. Steindl +3
We study the polarization response of the emission from type-II GaAsSb capped InAs quantum dots. The theoretical prediction based on the calculations of the overlap integrals of th…
Gaia's view of the Boo star puzzle
Simon J. Murphy, Ernst Paunzen
The evolutionary status of the chemically peculiar class of Boo stars has been intensely debated. It is now agreed that the Boo phenomenon affects A stars of all ages, from…