Questions tagged [von-neumann]

John von Neumann (1903-1957) was a Hungarian-American mathematician, physicist, computer scientist, engineer and polymath.

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Who first proposed the idea of "resolution of the identity"?

Who first proposed the idea of "resolution of the identity" as used in the functional calculus of self-adjoint operators? Was it von Neumann? In Japanese, it translates as "resolution ...
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Did von Neumann consider the brain an analogue computer?

In this article, about an unfinished book by von Neumann (he died in 1957 before he could finish it), one can read: After stating that he himself is neither a neurologist nor a psychiatrist, but a ...
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von Neumann vignette on early computer usage

I'm looking for a vignette about von Neumann. My recollection is as follows but my google-fu is not bringing up anything. von Neumann, having prodigious mathematical capacity even of the most mundane ...
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Background on the Stone-von Neumann theorem

I'm a mathematician. I'm required to give a lecture on the Stone-von Neumann theorem. I already have all the mathematical details figured out, but I wish to make the lecture more interesting by giving ...
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Is there any book or site where John von Neumann's collected philosophical writings are presented?

I was wondering if von Neuman has any philosophical writings beside his writings on the relation of computers to the human mind and vice versa.
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How did von Neumann come up with his merge sort algorithm?

Since merge sort is the first $O(n \log n)$ time general purpose sorting algorithm I find it rather surprising that it was discovered without having any obvious conceptual predecessors. Are there any ...
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Did John Von Neumann hate pure mathematics that became too abstract?

John von Neumann wrote the following in his essay The Mathematician: As a mathematical discipline travels far from its empirical source, or still more, if it is a second and third generation only ...
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159 views

Did John von Neumann ever go to any Nordic Country? Did Eugene Paul Wigner ever go to any other Nordic country apart from Sweden?

I am researching the presence of important scientists in Nordic countries — Iceland, Norway, Denmark, Sweden and Finland. I was hoping that someone could help me since I've not been able to find ...
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The minimax theorem from 1928 to 1956

Minimax theorems are beautiful saddle-point results regarding conditions on a function $f$ under which $\max_x \min_y f(x,y) = \min_y \max_x f(x,y)$. In the common "normal form" game case, $x$ and $y$ ...
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Why didn't John von Neumann win the Turing Award, Fields Medal or Nobel Prize?

From what I've read in Wikipedia, John von Neumann made a stupendous number of contributions to economics, computer science and mathematics. Why, then, didn't he receive a top award in any of these ...