Weak String Erasure: Difference between revisions

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Weak String Erasure (WSE) is a two-party functionality, say between Alice and Bob, that allows Alice to send a random bit string to Bob, in such a way that Alice is guarantied that a fraction (ideally half) of the bits are lost during the transmission. However, Alice should not know which bits Bob has received, and which bits have been lost.
Weak String Erasure (WSE) is a two-party functionality, say between Alice and Bob, that allows Alice to send a random bit string to Bob, in such a way that Alice is guarantied that a fraction (ideally half) of the bits are lost during the transmission. However, Alice should not know which bits Bob has received, and which bits have been lost.
'''Tags:''' Universal Cloning, optimal cloning, N to M cloning, symmetric cloning,  [[Asymmetric Universal 1-2 Cloning|Asymmetric Cloning]],  [[Quantum Cloning]], copying quantum states, [[:Category: Quantum Functionality|Quantum Functionality]][[Category: Quantum Functionality]], [[:Category:Specific Task|Specific Task]][[Category:Specific Task]], [[Probabilistic Cloning]]  
'''Tags:''' Universal Cloning, optimal cloning, N to M cloning, symmetric cloning,  [[Asymmetric Universal 1-2 Cloning|Asymmetric Cloning]],  [[Quantum Cloning]], copying quantum states, [[:Category: Quantum Functionality|Quantum Functionality]][[Category: Quantum Functionality]], [[:Category:Specific Task|Specific Task]][[Category:Specific Task]], [[Probabilistic Cloning]]  
[[:Category: Two Party Protocols|Two Party Protocols]] [[Category: Two Party Protocols]], weak string erasure, [[Category: Building Blocks]][[:Category: Building Blocks|Building Blocks]], Bounded Storage Model[[Weak String Erasure#Further Information| (3), (4)]]
[[:Category: Two Party Protocols|Two Party Protocols]] [[Category: Two Party Protocols]], weak string erasure, [[Category: Building Blocks]][[:Category: Building Blocks|Building Blocks]], Bounded Storage Model[[Weak String Erasure#Further Information| (4)]]


==Assumptions==
==Assumptions==
*We assume that the adversary has access to a quantum memory that is bounded in size, say the memory is of at most <math>log2(d)</math> qubits. See Bounded/Noisy Storage Model in [[Weak String Erasure#References|
*We assume that the adversary has access to a quantum memory that is bounded in size, say the memory is of at most <math>log2(d)</math> qubits. See Bounded/Noisy Storage Model in [[Weak String Erasure#References|
  (3), (4)]]
  (4)/(3)]]
* The transmission of qubit is noiseless/lossless.
* The transmission of qubit is noiseless/lossless.
* The preparation devices (for quantum state) are assumed to be fully characterized and trusted. We assume the same for the measurement devices.
* The preparation devices (for quantum state) are assumed to be fully characterized and trusted. We assume the same for the measurement devices.
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