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Looking for a proof of a known theorem involving integral quadratic forms

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#matrices #determinant #quadratic-forms
64
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expressing a quadratic map as a complex map

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#abstract-algebra #complex-analysis #representation-theory #quadratic-forms
68
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How to decide range of a quadratic form under constraint condition?

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#calculus #linear-algebra #quadratic-forms
51
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A function of two quadratic forms

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#quadratic-forms
70
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Minimum value of $\frac{(1 + x + x^2)(1 + y + y^2)}{xy}$

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#calculus #quadratic-forms
1.3k
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Distribution of the norm of uniform random unit vector after linear transformation

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#probability-distributions #random-variables #quadratic-forms
2.7k
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Equation of a cone

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#analytic-geometry #elliptic-curves #surfaces #quadratic-forms
43
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Hint on proving that the component in a radical splitting of a quadratic space is regular

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#quadratic-forms
39
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$\det$ is the only multiplicative nonzero quadratic form on $\mathcal M_2(\Bbb R)$

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#quadratic-forms #bilinear-form
1.3k
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Reduction of a quadratic form to a canonical form

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#partial-differential-equations #proof-verification #quadratic-forms
1.5k
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Polarization of quadratic form yields sesquilinear form

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#functional-analysis #hilbert-spaces #quadratic-forms #sesquilinear-forms
64
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Expectation of a special form of quadratic form

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#linear-algebra #probability #quadratic-forms
67
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Subtle error with a module endormorphism on $\mathbb{Z}_8 \times \mathbb{Z}_8$

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#abstract-algebra #ring-theory #modules #quadratic-forms #exponential-sum
2.2k
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Vertex Form of Parabola - Why does it work?

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#conic-sections #quadratic-forms
1.3k
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Is the squared euclidean norm a measure for the distance of two points?

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#normed-spaces #quadratic-forms

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