Taylor Rendon
• Member for 2 years, 3 months

### Questions (86)

 5 Writing out a (set) relation in terms of predicate logic 4 Conflicting definitions of tensors? 3 Finding the Radon-Nikodym Derivative for Given Measures $\mu$ and $\nu$ 3 Given $g : N \to \mathbb{R}$ is continuous $\iff$ $g \circ f: M \to \mathbb{R}$ is continuous, Show $f : (M,d) \to (N, \rho)$ is a homeomorphism. 3 $f$ has a second derivative $f'' < 0$ $\implies$ $f$ has a decreasing first derivative $\implies$ $\frac{f(x)}{x}$ is decreasing for $x > 0$.

### Reputation (1,916)

 +2 Question about significant figure problems +10 Conflicting definitions of tensors? +2 Are there examples of 1-forms on R2: Φ = $f_1$dx + $f_2$dy, such Φ that is not the differential of a function f +10 Conflicting definitions of tensors?

 5 Conflicting definitions of tensors? 5 What is $\mathbb{R}^n$ called in words? 5 Books with a summary at the end. 2 In the notation $T\colon\mathbb{R}^{n} \to \mathbb{R}^m$, does $\mathbb{R}^m$ refer to the codomain or the image of $T$? 2 What does $(x, y)$ $\in [10,-10] \times [0,0]$ mean - Multiple of two domains?

### Tags (84)

 11 linear-algebra × 9 4 functions × 8 9 notation × 21 4 vectors × 3 6 differential-geometry × 6 3 terminology × 9 6 reference-request × 2 3 big-list × 3 5 tensors × 6 2 calculus × 7

### Bookmarks (18)

 163 An Introduction to Tensors 50 What exactly is a matrix? 45 What is a function? 30 Misunderstanding of percentage increase [duplicate] 29 Definition of "quotient set"

### Accounts (5)

 Mathematics 1,916 rep 22 gold badges88 silver badges2727 bronze badges English Language & Usage 119 rep 44 bronze badges Physics 103 rep 33 bronze badges Mathematics Educators 101 rep 22 bronze badges Cross Validated 101 rep 22 bronze badges