4 citations · 5 across the 3 of their papers we have counts for
3 papers
gr-qc2019★ 1 cited
Expanding space, redshifts, and rigidity: Conceptual issues in cosmology
Colin MacLaurin
I examine the interpretation of photon redshifts in curved spacetime, as being gravitational or Doppler in origin. In Friedmann-Lemaître-Robertson-Walker spacetime, redshifts betwe…
math.OA2019
Quantum even-dimensional balls
Colin MacLaurin
The quantum even-dimensional balls are defined as the -algebras generated by certain graphs. We exhibit a polynomial algebra for each even-dimensional quantum ball, and classi…
math.GT2013★ 4 cited
Euler Characteristic in Odd Dimensions
Colin MacLaurin, Guyan Robertson
It is well known that the Euler characteristic of an odd dimensional compact manifold is zero. An Euler complex is a combinatorial analogue of a compact manifold. We present here a…