Enumerating alternating matrix spaces over finite fields with explicit coordinates
- Publisher:
- Elsevier BV
- Publication Type:
- Journal Article
- Citation:
- Discrete Mathematics, 2021, 344, (11), pp. 112580
- Issue Date:
- 2021-11-01
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We initiate the study of enumerating linear subspaces of alternating matrices over finite fields with explicit coordinates. We present q-analogues of Gilbert's formula for enumerating connected graphs (Gilbert (1956) [5]), and Read's formula for enumerating c-coloured graphs (Read (1960) [14]). We also develop an analogue of Riddell's formula relating the exponential generating function of graphs with that of connected graphs (Riddell's (1951) [15]), building on Eulerian generating functions developed by Srinivasan ((2006) [16]).
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