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15 votes
2 answers
719 views

Graphical Calculus for Quantum Circuits

15 votes
1 answer
897 views

What exactly are Quantum XOR Games?

13 votes
2 answers
623 views

Quantum XNOR Gate Construction

11 votes
1 answer
750 views

Quantum Algorithm for God's Number

10 votes
1 answer
418 views

Time Entangled Quantum Blockchain

10 votes
4 answers
657 views

How is quantum teleportation generalized to qudits?

9 votes
3 answers
313 views

Generalization for $n$ quantum teleportations

9 votes
2 answers
3k views

Expressing "Square root of Swap" gate in terms of CNOT

8 votes
2 answers
897 views

How to show that an n-level system is entangled?

8 votes
2 answers
262 views

How could a quantum network be constructed to handle 10,000 clients concurrently?

8 votes
2 answers
241 views

Topological Circuit Simulator

8 votes
2 answers
761 views

Matrix representation of continuous-variable gates

7 votes
2 answers
190 views

Breakthroughs in quantum computing using non-standard quanta [closed]

7 votes
1 answer
484 views

Quantum XOR Linked List Construction

7 votes
1 answer
449 views

How to benchmark a quantum computer?

6 votes
3 answers
2k views

Reverse Quantum Computing: How to unmeasure a qunit

6 votes
2 answers
2k views

What components are needed to realize a photonic CNOT gate?

6 votes
1 answer
498 views

Quantum Ripple Carry Adder Construction

6 votes
1 answer
175 views

How could a global quantum network be realized?

6 votes
1 answer
619 views

What kind of mathematics is common in quantum computing? [closed]

6 votes
2 answers
792 views

What exactly are "quantum rotors"?

6 votes
2 answers
225 views

Anyon alternatives in topological quantum computing

5 votes
6 answers
453 views

Good metaphors for n-level quantum systems

5 votes
2 answers
384 views

Computing with Logical Qunits

4 votes
1 answer
92 views

What are the differences between "$n$-th level e-bits" and "$n$-th level qunits"?

4 votes
4 answers
274 views

Are classical bits quantum?

4 votes
1 answer
935 views

What does negative probability represent?

4 votes
1 answer
282 views

Chrononic Computing (Time Evolution Systems)

4 votes
1 answer
164 views

Quantum XOR Cipher Construction

4 votes
1 answer
125 views

Using XOR games to benchmark quantum computers