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Math Stack Exchange

@stackmath

A Q&A site for people studying math at any level and professionals in related fields

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linkhttp://math.stackexchange.com calendar_today07-01-2011 21:42:40

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Solving for x in logarithmic equation $\log_4(2x) = \frac{1}{2}x^2 - 1$ math.stackexchange.com/q/4633571?atw=1 #algebraprecalculus

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Bounty offered: Homotopy Types of Fibrations in Postnikov Tower encoded by Classifing map math.stackexchange.com/q/4631673?atw=1 #algebraictopology

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number of distinct commutators and the cardinality of the center of a group math.stackexchange.com/q/4633944?atw=1 #abstractalgebra

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Great answer: Is there any way to find the number of real roots of a polynomial computationally? math.stackexchange.com/a/4633296?atw=1 #polynomials

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Bounty offered: Conjecture about difference of Fibonacci numbers and primes math.stackexchange.com/q/4632595?atw=1 #numbertheory

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Find n given that $\lim\limits_{x\rightarrow0} \frac{1-\sqrt{\cos2x}.\sqrt[3]{\cos3x}.\sqrt[4]{\cos4... math.stackexchange.com/q/4634181?atw=1 #limits

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How to distinguish between isomorphic and homotopic chain complexes? math.stackexchange.com/q/4634338?atw=1 #homologycohomology

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Bounty offered: Asymptotic stability implies the existence of a strong Lyapuno... math.stackexchange.com/q/4624890?atw=1 #ordinarydifferentialequations

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Bounty offered: Intersections of a ray from star domain to its boundary math.stackexchange.com/q/1735663?atw=1 #generaltopology

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Can you answer this? Can I go from the LU factorization of a symmetric matrix to its Cholesky ... math.stackexchange.com/q/1395069?atw=1 #linearalgebra

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Showing that prime factors of a number is congruent to $1 \pmod 5$ math.stackexchange.com/q/4634737?atw=1 #elementarynumbertheory

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Bounty offered: An alternate infinite series for Gaussian function - proof math.stackexchange.com/q/4633395?atw=1 #sequencesandseries