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Charles Hudgins's user avatar
Charles Hudgins's user avatar
Charles Hudgins
  • Member for 5 years, 3 months
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7 votes
2 answers
24k views

Change of Base Formula for Exponents

6 votes
1 answer
784 views

Integrals Over Complex Domains

6 votes
2 answers
203 views

Roots of $x^2+bx+c=0$ with $|b|\leq 1$ and $|c|\leq 1$ have absolute value at most the Golden Ratio. Coincidence?

6 votes
1 answer
293 views

Double Pendulum Simulation Accuracy?

5 votes
0 answers
93 views

Quotient of a ring that identifies associates

5 votes
4 answers
845 views

Why does compound interest exist?

4 votes
2 answers
70 views

Meaning of a formula for the $y$-intercept?

4 votes
1 answer
237 views

Alternative Definition for the Derivative

4 votes
0 answers
120 views

Geometric Motivation for Inner Product

4 votes
1 answer
238 views

Groups between $\operatorname{GL}_n (R)$ and $\operatorname{SL}_n(R)$?

4 votes
1 answer
168 views

Why do mathematicians say "map" and "mapping" when talking about functions?

4 votes
0 answers
51 views

Other Near Inverses in Mathematics

4 votes
0 answers
121 views

Momentum constraints for a Singular Lagrangian

4 votes
0 answers
104 views

Oscillations of an Energy Eigenstate

3 votes
2 answers
66 views

Is there a name for functions $f:\mathbb{R} \to \mathbb{R}$ such that whenever $|a - b| < |b - c|$ we have $|f(a) - f(b)| < |f(b) - f(c)|$?

3 votes
2 answers
203 views

Partitioning the Reals into two Locally Uncountable, Dense Sets [duplicate]

3 votes
0 answers
112 views

Generalized Measure of Central Tendency

3 votes
1 answer
50 views

Techniques for Testing Convergence of Certain Sums

3 votes
0 answers
28 views

Curvature From Calculus of Variations?

3 votes
2 answers
127 views

Can $\int_0^\infty f (x) \, dx$ exist if $\lim_{x \to \infty} f(x)$ does not exist?

3 votes
2 answers
407 views

Why don't we just use the outer measure?

3 votes
2 answers
319 views

Quotient by Kernel of Monoid Homomorphism?

3 votes
1 answer
436 views

Shifrin Differential Geometry Exercise $1.2.27$ -- A Differential Equation For Bikes

3 votes
0 answers
84 views

When does $F'(c)$ exist? When does $F'(c) = f(c)$?

3 votes
2 answers
172 views

Index Notation - An Inconsistency with a deeper meaning?

2 votes
1 answer
112 views

Differentiable and Non-decreasing with $f' = 0$ a.e. But Not Constant

2 votes
0 answers
40 views

Manifold with "Distinct" Charts [duplicate]

2 votes
0 answers
102 views

Kernel of the polynomial to function map?

2 votes
1 answer
116 views

Name for group of conformal linear maps?

2 votes
1 answer
633 views

Continuous if and only if graph of every path connected subspace is path connected?