# Doc Madhattan

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Doc Madhattan

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Physics and mathematics blog about research news

### Doc Madhattan's Latest Posts

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by @ulaulaman http://t.co/WGbVdfv0nk about #Superman #physics and #solar #energy In the last saga of the JLA by Grant Morrison, World War III, Superman, leaping against the bomb inside Mageddon says: The way in which Superman gets the powers, or the way in which them is explained, however, is changed over time. Following Action Comics #1, the debut of the character, Jerry Siegel, combining genetics and evolution, says that on his planet of origin the physical structure of the inhabitants had
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http://t.co/h9CCSAaER0 #IsaacAsimov about #mathematics Mathematics is a unique aspect of human thought, and its history differs in essence from all other histories.As time goes on, nearly every field of human endeavor is marked by changes which can be considered as correction and/or extension. Thus, the changes in the evolving history of political and military events are always chaotic; there is no way to predict the rise of a Genghis Khan, for example, or the consequences of the short-lived
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http://t.co/ZAdRPeiy8b Maryam Mirzakhani wins #FieldsMedal with Riemann surfaces Maryam Mirzakhani has made several contributions to the theory of moduli spaces of Riemann surfaces. In her early work, Maryam Mirzakhani discovered a formula expressing the volume of a moduli space with a given genus as a polynomial in the number of boundary components. This led her to obtain a new proof for the conjecture of Edward Witten on the intersection numbers of tautology classes on moduli space as well
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by @ulaulaman http://t.co/crZXpaphqA #mathematics #happiness #smile \[H(t) = w_0 + w_1 \sum_{j=1}^t \gamma^{t-j} CR_j + w_2 \sum_{j=1}^t \gamma^{t-j} EV_j + w_3 \sum_{j=1}^t \gamma^{t-j} RPE_j\] I don't know if my intuition is correct, but the equation from Rutledge et al. reminds me of a neural network, or more correctly a sum of three different neural networks. In every case, this could became an important step in order to mathematically describe our brain. A common question in the social
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by @ulaulaman http://t.co/MkGI7L546N #VennDay #VennDiagram #genetics A generalized Venn diagram with three sets $A$, $B$ and $C$ and their intersections. From this representation, the different set sizes are easily observed. Furthermore, if individual elements (genes) are contained in more than one set (functional category), the intersection sizes give a direct view on how many genes are involved in possibly related functions. During optimization, the localization of the circles is altered to
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