
#1
Nov712, 09:01 AM

P: 16

I mean if we someday has quantum computers etc. wouldn't it be able to solve all math problems just by heave number crunching and doing so, wouldn't that meant that every mathematician would be out of job? So is math really bad career for future?




#2
Nov712, 09:30 AM

P: 17

not really, it you can't crunch most of problems in math just by checking a finite amount of solutions. Most problems have infinite ammount of posible solutions, so checking them all is imposible.




#3
Nov712, 10:01 AM

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P: 3,436

Quantum computers will supposedly only be able to do whatever our current computers can do, just faster.




#4
Nov712, 11:52 AM

Mentor
P: 16,703

Will computers make mathematicians obsolete?What a computer might possibly do is to randomly come up with theorems. So you start with axioms, and you apply the logical rules on that to come up with new true statements. Given enough time, the compute might (or not) come up with a proof for mathematical statements. But the numbers involved are extremely large here and I don't see this happening any time soon. 



#5
Nov712, 12:28 PM

P: 16





#6
Nov712, 12:36 PM

P: 771

Part of the problem seems to be that you imagine mathematics to be a collection of calculations or equations, which is not true. Many branches of mathematics don't concern numbers at all, and proofs in these areas involve an extremely long process of logical deduction that often involves techniques from many different fields. It's not as simple as telling a computer (quantum or not) to "Prove the Hodge Conjecture" and then coming back in a week when it's done. 



#7
Nov712, 12:36 PM

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#8
Nov712, 01:18 PM

P: 2,163

Quantum computing is probabilistic so they are useful for executing probabilistic algorithms. An example is Shor's algorithm for factoring certain composite numbers. I believe the number 15 has been factored this way. Maybe not, but anyway, I changed my public key to 77 just in case. I don't know if such a computer can be used to execute deterministic algorithms.




#10
Nov712, 04:03 PM

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P: 16,703





#11
Nov712, 04:09 PM

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P: 6,386





#12
Nov712, 04:17 PM

P: 5

I was also worried by an idea similar to this, given my knowledge of mathematics and things like that.




#13
Nov712, 04:40 PM

P: 2,163





#14
Nov712, 05:56 PM

P: 31





#16
Nov712, 08:12 PM

P: 88

An interesting perspective on this issue is the notion of NP completeness in computational complexity. Theorem proving is a NP complete problem (a problem that requires an exponential amount of steps to solve((exponential to the size of the inputs )) but can be verified in a polynomial amount of steps).
Quantum computers are not believed to be able to solve NP complete problems efficiently (quantum computers are able to solve BQP complete problems and NP complete is a harder class). The reason is while a QC can represent an exponential number of states in a superposition, it is not clear how to determine which particular state represents the correct answer. There is paper on it by Bernstein and Vazirani (BBBV theorem) but i cant find a source. There is a good blog for the computer science aspects of QCs here http://www.scottaaronson.com/blog/?cat=17 But i am not a computer scientist and my view might be mistaken. 



#17
Nov712, 08:33 PM

PF Gold
P: 638

No, computers will not replace mathematicians. Computers need humans to tell them what to do.




#18
Nov712, 08:43 PM

P: 2

The mind is not made up of fairy dust and unicorns. It is itself a machine. Any and all insights you or anyone have towards math can be replicated by a computer. Super computers of today are not imperceptible relative to the brain in terms of raw computing power; so the jump to quantum computing technologies might not even be a requirement. What you need are good algorithms to simulate thought processes.



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