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ECCC
2000
101views more  ECCC 2000»
13 years 7 months ago
Simplified derandomization of BPP using a hitting set generator
Abstract. A hitting-set generator is a deterministic algorithm that generates a set of strings such that this set intersects every dense set that is recognizable by a small circuit...
Oded Goldreich, Salil P. Vadhan, Avi Wigderson
BC
2005
84views more  BC 2005»
13 years 7 months ago
A computational model of monkey cortical grating cells
Grating cells were discovered in the V1 and V2 areas of the monkey visual cortex by von der Heydt et al. (1992). These cells responded vigorously to grating patterns of appropriate...
Tino Lourens, Emilia I. Barakova, Hiroshi G. Okuno...
RBAC
1998
101views more  RBAC 1998»
13 years 9 months ago
An Oracle Implementation of the PRA97 Model for Permission-Role Assignment
In role-based access control RBAC permissions are associated with roles, and users are made members of appropriate roles thereby acquiring the roles' permissions. Using RBAC ...
Ravi S. Sandhu, Venkata Bhamidipati
STOC
2002
ACM
115views Algorithms» more  STOC 2002»
14 years 8 months ago
Stability of load balancing algorithms in dynamic adversarial systems
In the dynamic load balancing problem, we seek to keep the job load roughly evenly distributed among the processors of a given network. The arrival and departure of jobs is modeled...
Elliot Anshelevich, David Kempe, Jon M. Kleinberg
QCQC
1998
Springer
140views Communications» more  QCQC 1998»
13 years 12 months ago
Implementation of Quantum Controlled-NOT Gates Using Asymmetric Semiconductor Quantum Dots
Abstract. We propose an implementation of a quantum controlledNOT gate on the basis of dipole-dipole interacting asymmetric quantum dots. Our implementation does not require applic...
Alexander A. Balandin, Kang L. Wang