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Amateur
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7 votes
2 answers
5k views

Differentiation of a complex-valued function of a real variable

7 votes
2 answers
3k views

Young's inequality for three variables

4 votes
2 answers
856 views

Very slow convergence of a particular series?

4 votes
1 answer
219 views

Question regarding Fourier coefficients

4 votes
0 answers
988 views

Apostol's Mathematical Analysis: On the Geometric Representation of Real Numbers

2 votes
1 answer
82 views

Field Theory : What is wrong with this "homomorphism"?

2 votes
1 answer
137 views

Extension of an Isomorphism

2 votes
2 answers
952 views

Formulation of the (axiom of) mathematical induction

2 votes
2 answers
73 views

On the Definitions of Line and Surface Integrals

2 votes
1 answer
273 views

Proof of a Field Extensions Theorem

2 votes
1 answer
149 views

Bounds and the Fundamental Theorem of Calculus

1 vote
0 answers
639 views

Diagonalization of matrices and linear transformations

1 vote
2 answers
105 views

Supremum of an expression involving $\sin$

1 vote
2 answers
212 views

In search of periodic solutions of a system of ODEs by means of Fourier series

1 vote
2 answers
160 views

Uniform Convergence and Sup

1 vote
1 answer
308 views

Product of two $2$-variables Taylor series

1 vote
2 answers
68 views

Inequality involving sum of four $\sin$

1 vote
1 answer
131 views

Unicity of the copy of $\mathbb{Q}$ in an ordered field.

0 votes
0 answers
52 views

On the Characterization of $F[\alpha]$ for a Field Extension $E/F$.

0 votes
1 answer
1k views

Proof Unicity of Splitting Field

0 votes
1 answer
129 views

Changes in the hypotheses of a mean-value theorem

0 votes
2 answers
790 views

Simplifying binomial sums