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Padraig Ó Catháin

10 papers hereh-index 693 citations22 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • sole author1
  • first author1
  • middle author5
  • last author2

Across the 9 of 10 papers where every author was matched, so the position is known.

fields
  • math.CO6
  • cs.IT4
same name
  • Padraig Ó Catháin — 1 paper
  • Padraig Ó Catháin — 1 paper, h 3

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20152026
most citedSpectra of Hadamard matrices

4 citations · 5 across the 6 of their papers we have counts for

collaborators
Showing 2015Show all

3 papers · 1 filter

math.CO2015

Remark on a result of Constantine

Padraig Ó Catháin

In this short note we construct codes of length 4n with 8n+8 codewords and minimum distance 2n−2 whenever 4n+4 is the order of a Hadamard matrix. This generalises work of C…

cs.IT2015★ 1 cited

Sparsification of Matrices and Compressed Sensing

Fintan Hegarty, Padraig Ó Catháin, Yunbin Zhao

Compressed sensing is a signal processing technique whereby the limits imposed by the Shannon--Nyquist theorem can be exceeded provided certain conditions are imposed on the signal…

cs.IT2015

Compressed sensing with combinatorial designs: theory and simulations

Darryn Bryant, Charles Colbourn, Daniel Horsley +1

In 'An asymptotic result on compressed sensing matrices', a new construction for compressed sensing matrices using combinatorial design theory was introduced. In this paper, we use…

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