Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 8870

This tag is used if a reference is needed in a paper or textbook on a specific result.

5 votes

How many minors I need to check to conclude all minors will vanish ?

For any set of $(j_i)_{i=1}^m$, with $1\le j_1 < \cdots < j_m \le n$, let $A$ be the matrix with elements $A_{ij} = \delta_{ij_i}$. Every minor except the one defined by the columns $j_i$ vanishes, so …
Jørgen Rennemo's user avatar