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Re: [igraph] Induced subgraph isomorphism


From: Raphael Clifford
Subject: Re: [igraph] Induced subgraph isomorphism
Date: Tue, 11 Sep 2012 21:12:23 +0100

Thanks!

Raphael

On 11 September 2012 20:49, Tamás Nepusz <address@hidden> wrote:
> Hi Raphael,
>
> We have recently added the LAD subisomorphism algorithm which is capable of 
> finding induced subgraph isomorphisms. This is currently included only in the 
> source repository but no release have been made yet. If you are willing to 
> use a nightly snapshot of igraph and you don't mind compiling it yourself, 
> grab the latest nightly from here:
>
> http://code.google.com/p/igraph/downloads/list
>
> Use the snapshot from the 0.7 tree. If you use igraph from R, you only need 
> the GNU R source package. If you use igraph from Python, you will need both 
> the C library and the Python source package. The name of the function is 
> igraph_subisomorphic_lad in C, subisomorphic.lad in R and 
> Graph.subisomorphic_lad in Python.
>
> Best,--
> T.
>
>
> On Tuesday, 11 September 2012 at 21:44, Raphael Clifford wrote:
>
>> I realise this is asking a lot but, I was wondering if anyone had (or
>> had any plans to have) implemented a heuristic for induced subgraph
>> isomorphism. If I am correct, the current VF2 implementation would
>> say that a-b-c-d is isomorphic to a subgraph of a 4-clique while it is
>> not an induced subgraph. (See
>> http://en.wikipedia.org/wiki/Induced_subgraph_isomorphism_problem.)
>>
>> Raphael
>>
>> _______________________________________________
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>> https://lists.nongnu.org/mailman/listinfo/igraph-help
>>
>
>
>
>
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