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Lyra: Password-Based Key Derivation with Tunable Memory and Processing Costs
Password-based key derivation memory usage cryptographic sponges
2016/1/26
We present Lyra, a password-based key derivation scheme
based on cryptographic sponges. Lyra was designed to be strictly sequential
(i.e., not easily parallelizable), providing strong security even ...
I report on the discovery of two cataclysmic variables in the same field in Lyra originally identified from their magnitudes in USNO-B1.0 catalogue and Palomar images. The historical light curves were...
Reconstruction of the solar spectral UV irradiance for nowcasting of the middle atmosphere state on the basis of LYRA measurements
solar spectral UV middle atmosphere state LYRA
2008/11/10
The LYRA instrument onboard ESA PROBA2 satellite will provide 6-hourly solar irradiance at the Lyman-alpha (121.6 nm) and the Herzberg continuum (~200–220 nm wavelength range). Because the nowcasting ...
Five Dimensional Stiff Fluid Models in Lyra Geometry
Five dimensional cosmological model stiff fluid Lyra geometry
2010/4/8
We have constructed stiff fluid cosmological models in five dimensional space-time based on Lyra geometry. Some physical and geometrical properties of the models are discussed.
Cosmological Models of Universe with Variable Deceleration Parameter in Lyra's Manifold
Cosmology FRW universe Lyra geometry
2010/10/13
FRW models of the universe have been studied in the cosmological theory based on Lyra’s manifold. A new class of exact solutions has been obtained by considering a time dependent displacement field fo...
Measha Brueggergosman and Gaetan Laperriere to star in the tenth annual Black & White Opera Soiree benefiting the National Arts Centre Orchestra and Opera Lyra Ottawa
Orchestra operatic
2006/12/14
December 01, 2006，OTTAWA -- When the special tenth anniversary edition of the annual Black & White Opera Soiree comes to glorious life in Southam Hall of the National Arts Centre on February 17, 2007,...
Electromagnetic Field in Lyra Manifold: A First Order Approach
Electromagnetic Field Lyra Manifold
2010/10/18
We discuss the coupling of the electromagnetic field with a curved and torsioned Lyra manifold using the Duffin-Kemmer-Petiau theory. We will show how to obtain the equations of motion and energy-mome...