i isomorphisms

What is "a" homology "theory"?

It’s impossible to get far in reading 20th-century mathematics without encountering the word cohomology. Cohomology & schemes are the subject of Hartshorne’s classic, where you can find out (Appendix C) that the Weil conjectures were resolved by defining a thing called l-adic cohomology.

Schemes are like varieties = cycles. And cohomology is a way (ok, apparently various

If, at any time, somebody says "X is hard to remember": alias.

Always show the command in the most useful 1-3 contexts, with the most usual flags.

######Assuming Ubuntu:

basics

opening a terminal, echo, rev, tac
computers can do things we can't: factor 345354699
where's my stuff? find ~/Downloads -name "*Frozen*mp4"

	On void linux.

	Under `/etc/containers/` there is a file called `registries.conf`. It is complemented by `man 5 containers-registries.conf`.

	Change (for me lines 11-12) which say

	[registries.search]
	registries = []

	package main

	import (
	"log"
	"fmt"
	"net/http"
	"time"
	)

	type placeError struct {

	package main

	import (
	"time"
	"fmt"
	)


	func check(e error) { if( e!= nil) { panic(e) } }

	package main

	import (
	"log"
	"fmt"
	"net/http"
	"time"
	)

	type placeError struct {

	<limit>
	!(
	~s token \|\|
	~s reward \|\|
	~s data \|\|
	~s feedback \|\|
	~s news \|\|
	~s free \|\|
	~s crunchbase \|\|
	~s "!!" \|\|

	"=============================================================================
	" What Is This: Prettify .Rmd and .R scripts in vim
	" Who made it?: Vincent Barbroux
	" https://github.com/Twinside/vim-haskellConceal/blob/master/after/syntax/haskell.vim
	" ideas imported also from: https://alok.github.io/2018/04/26/using-vim-s-conceal-to-make-languages-more-tolerable/
	" Who adapted it? [email protected]
	" Last change: 10 Oct 2018
	" Require:
	" set nocompatible
	" somewhere on your .vimrc

	'{"placements":[{"divName":"div1","networkId":23,"siteId":667480,"adTypes":[5]}],"user":{"key":"abc"}}' -> adzerk.json

	'http://engine.adzerk.net/api/v2' -> adzerk.url


	require(jsonlite)
	fromJSON( adzerk.example )


	require(httr)

	<html>
	<head>
	<script src="https://d3js.org/d3.v4.min.js"></script>

	<script>
	d3.select("svg").selectAll("rect").data(["1em","5em","7em","13em"]).enter().append("rect").attr("x", (d) => { return d; })
	</script>