Can the product between two non circulant matrices be a circulant matrix [closed]

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If $A$ and $B$ are two non-circulant matrices, is there a case where $AB$ is circulant?




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closed as off-topic by Simply Beautiful Art, user223391, amWhy, Adrian Keister, José Carlos Santos Aug 2 at 14:07


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please improve the question by providing additional context, which ideally includes your thoughts on the problem and any attempts you have made to solve it. This information helps others identify where you have difficulties and helps them write answers appropriate to your experience level." – Simply Beautiful Art, Community, amWhy, Adrian Keister, José Carlos Santos
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    $AB$ could be the identity.
    – Lord Shark the Unknown
    Aug 2 at 13:27















up vote
-2
down vote

favorite












If $A$ and $B$ are two non-circulant matrices, is there a case where $AB$ is circulant?




circulant-matrices




share|cite|improve this question











closed as off-topic by Simply Beautiful Art, user223391, amWhy, Adrian Keister, José Carlos Santos Aug 2 at 14:07


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please improve the question by providing additional context, which ideally includes your thoughts on the problem and any attempts you have made to solve it. This information helps others identify where you have difficulties and helps them write answers appropriate to your experience level." – Simply Beautiful Art, Community, amWhy, Adrian Keister, José Carlos Santos
If this question can be reworded to fit the rules in the help center, please edit the question.








  • 2




    $AB$ could be the identity.
    – Lord Shark the Unknown
    Aug 2 at 13:27













up vote
-2
down vote

favorite









up vote
-2
down vote

favorite











If $A$ and $B$ are two non-circulant matrices, is there a case where $AB$ is circulant?




circulant-matrices




share|cite|improve this question











If $A$ and $B$ are two non-circulant matrices, is there a case where $AB$ is circulant?





circulant-matrices





share|cite|improve this question










share|cite|improve this question




share|cite|improve this question









asked Aug 2 at 13:26









Tamiris Bade

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closed as off-topic by Simply Beautiful Art, user223391, amWhy, Adrian Keister, José Carlos Santos Aug 2 at 14:07


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please improve the question by providing additional context, which ideally includes your thoughts on the problem and any attempts you have made to solve it. This information helps others identify where you have difficulties and helps them write answers appropriate to your experience level." – Simply Beautiful Art, Community, amWhy, Adrian Keister, José Carlos Santos
If this question can be reworded to fit the rules in the help center, please edit the question.




closed as off-topic by Simply Beautiful Art, user223391, amWhy, Adrian Keister, José Carlos Santos Aug 2 at 14:07


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please improve the question by providing additional context, which ideally includes your thoughts on the problem and any attempts you have made to solve it. This information helps others identify where you have difficulties and helps them write answers appropriate to your experience level." – Simply Beautiful Art, Community, amWhy, Adrian Keister, José Carlos Santos
If this question can be reworded to fit the rules in the help center, please edit the question.







  • 2




    $AB$ could be the identity.
    – Lord Shark the Unknown
    Aug 2 at 13:27













  • 2




    $AB$ could be the identity.
    – Lord Shark the Unknown
    Aug 2 at 13:27








2




2




$AB$ could be the identity.
– Lord Shark the Unknown
Aug 2 at 13:27





$AB$ could be the identity.
– Lord Shark the Unknown
Aug 2 at 13:27
















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