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comment Orthogonal Latin Square 6*6
See my answer for a link on the original paper. A physical copy of the journal of the French "Association for l'Avancement des Sciences" is not so easy to find outside France (where most University libraries have it).
Apr
14
revised Orthogonal Latin Square 6*6
added explanations on the start of the demonstration
Apr
14
answered Orthogonal Latin Square 6*6
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May
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revised Intersection of Cubic curves
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May
25
revised Different formulations of Class Field Theory
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May
25
comment Non-associative, non-commutative binary operation with a identity
what's the point of adding y if it is zero! Are you sure this was what you meant?
May
25
comment When $G'$/$G''$ and $G''$ both are cyclic groups
@Basil R: you should edit your title and question.
May
24
revised construction of the Witt group
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May
24
comment A question about integral quadratic forms
The left part of your equation is what mathematicians call a (integral) quadratic form. There is a lot of results about the integers n they can represent or not.
May
24
revised A question about integral quadratic forms
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