**4**

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598 views

### Almost linear ODE: how node becomes a spiral

Most introductory ODE books contain a discussion of almost linear systems, and there are two cases when the behavior of an almost linear system near an equilbrium point can differ from the behaviour ...

**1**

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59 views

### Are injective modules flabby on basic open sets?

In order to give a simple proof of a basic fact about quasi-coherent modules (see below), I'm interested in knowing whether the following statement holds:
Statement: If $A$ is a commutative ring and ...

**1**

vote

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402 views

### Linear Algebra Text Book

In our department we do not like our current linear algebra book and so we would want to find a better book. This is for the first course in linear algebra and the title of the course is
Elementary ...

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179 views

### About the parallel transport and choice of connection

Thought Experiment
Consider a 2-sphere, $S^2$, and let $p$ be a point at the equator.
Case 1
Let us parallel transport a vector, $V$ from $p$ using the recipe:
Move one unit of length East.
Move ...