69,027 reputation
145130
bio website math.ethz.ch/~blatter
location Switzerland
age 79
visits member for 4 years, 4 months
seen 3 hours ago

2d
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11
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8
awarded  Caucus
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18
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17
awarded  Revival
Nov
7
awarded  Good Answer
Oct
29
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Oct
13
awarded  Nice Answer
Oct
8
awarded  multivariable-calculus
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30
awarded  Explainer
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23
awarded  Nice Answer
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22
awarded  Revival
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20
awarded  optimization
Sep
16
awarded  Enlightened
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16
awarded  Enlightened
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16
awarded  Nice Answer
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15
awarded  Nice Answer
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15
awarded  contest-math