I'm just a guy who's a natural philosopher for fun.
Googlol scholar: PierGianLuca Porta Mana
Email: lucaZZ@magnaspesmeretrix.org (note: remove ZZ, for anti-spam purposes).
page at the University of Oxford
Previous page at Perimeter Institute for Theoretical Physics.
Personal page (an exercise in self-indulgence).
CVRRICVLVMVITAE and publication & seminar list.
Current research: I am interested in fundamental physics - see image at the bottom. In other words I'm interested in statistical general-relativistic continuum electromagneto-thermomechanics, in all its physical, mathematical, computational, philosophical aspects. For example:
Here is a picture of the present situation in quantum theory:
Some published (i.e.,
arXiv submissions available at https://arxiv.org/a/0000-0002-6070-0784.html.
I'm slowly moving my works to the Open Science Framework: https://osf.io/pxg7q/. Why?:
L. Zanna, P.G.L. Porta Mana, J. Anstey, T. David, T. Bolton: Scale-aware deterministic and stochastic parametrizations of eddy-mean flow interaction (2017), open-access in Ocean Modelling.
V. Rostami, P.G.L. Porta Mana, M. Helias: Pairwise maximum-entropy models and their Glauber dynamics: bimodality, bistability, non-ergodicity problems, and their elimination via inhibition (2016), https://arxiv.org/abs/1605.04740/, in PLoS Comput. Biol..
P.G.L. Porta Mana, E. Torre, V. Rostami: Inferences from a network to a subnetwork and vice versa under an assumption of symmetry (2015), http://biorxiv.org/content/early/2015/12/11/034199.
P.G.L. Porta Mana, L. Zanna: Toward a stochastic parametrization of ocean mesoscale eddies (2014), in Ocean Modelling; available as a pdf file.
P.G.L. Porta Mana, P. G. Lewis: On two recent conjectures in convex geometry (2011), https://arxiv.org/abs/1105.4641/.
P.G.L. Porta Mana: Conjectures and questions in convex geometry: of interest for quantum theory and other physical statistical theories (2011), https://arxiv.org/abs/1105.3238/.
P.G.L. Porta Mana: Notes on affine and convex spaces (2011), https://arxiv.org/abs/1104.0032/.
P.G.L. Porta Mana: In favour of the time variable in classical thermodynamics (2010), https://arxiv.org/abs/1012.3091/.
P.G.L. Porta Mana: On the relation between plausibility logic and the maximum-entropy principle: a numerical study (2009), https://arxiv.org/abs/0911.2197/.
G. Brodin, M. Marklund, J. Zamanian, Å. Ericsson, P.G.L. Mana: Effects of the g-factor in semi-classical kinetic plasma theory (2008), https://arxiv.org/abs/0809.2382/ (also published in Physical Review Letters).
P.G.L. Porta Mana: Studies in plausibility theory, with applications to physics (2007), PhD thesis. Available as a pdf file.
A. Månsson, P.G.L. Porta Mana, G. Björk: Numerical Bayesian state assignment for a quantum three-level system. II. Average-value data; constant, Gaussian-like, and Slater priors (2007), https://arxiv.org/abs/quant-ph/0701087/.
A. Månsson, P.G.L. Porta Mana, G. Björk: Numerical Bayesian state assignment for a three-level quantum system. I. Absolute-frequency data; constant and Gaussian-like priors (2006), https://arxiv.org/abs/quant-ph/0612105/.
P.G.L. Porta Mana, A. Månsson, G. Björk: `Plausibilities of plausibilities': an approach through circumstances (2006), https://arxiv.org/abs/quant-ph/0607111/.
P.G.L. Mana, A. Månsson, G. Björk: On distinguishability, orthogonality, and violations of the second law: contradictory assumptions, contrasting pieces of knowledge (2005), https://arxiv.org/abs/quant-ph/0505229/.
P.G.L. Mana, G. Björk: Uncertainty, information, and entropy: comparison of two definitions, invited talk at the Ninth International Conference on Squeezed States and Uncertainty Relations ICSSUR' 2005, Besançon, France (2005). Slides available as a pdf file and as a pps presentation file.
P.G.L. Porta Mana: Distinguishability of non-orthogonal density matrices does not imply violations of the second law (2004), https://arxiv.org/abs/quant-ph/0408193/.
G. Björk, P.G.L. Mana: Schrödinger-cat states: size classification based on evolution or dissipation (2004), in Proceedings SPIE: Fluctuations and Noise in Photonics and Quantum Optics II, vol. 5468, pp. 335-343 http://dx.doi.org/10.1117/12.547048.
P.G.L. Porta Mana: Probability tables (2004), https://arxiv.org/abs/quant-ph/0403084/. Older version in A. Yu. Khrennikov, ed.: Quantum Theory: Reconsideration of Foundations - 2 (Växjö University Press, Växjö, Sweden, 2004), pp. 387-401.
G. Björk, P.G.L. Mana: A size criterion for macroscopic superposition states (2003), https://arxiv.org/abs/quant-ph/0310193/. (Older version published in J. Opt. B 6 (2004) 429-436.)
P.G.L. Porta Mana: Why can states and measurement outcomes be represented as vectors? (2003), https://arxiv.org/abs/quant-ph/0305117/.
P.G.L. Porta Mana: Consistency of the Shannon entropy in quantum experiments (2003), https://arxiv.org/abs/quant-ph/0302049/. (Oolder version published in Phys. Rev. A 69 (2004) 062108 and in Virtual J. Quantum Information 4(7) (2004).)
M. Cadoni and P.G.L. Mana: Hamiltonians for a general dilaton gravity theory on a spacetime with a non-orthogonal, timelike or spacelike outer boundary (2000), https://arxiv.org/abs/gr-qc/0011010/. (Older version published in Class. Quant. Gravity 18 (2001) 779-792.)<\p>
P.G.L. Porta Mana: Asymptotic symmetries of anti-de Sitter space in two and three dimensions (2000), Università di Cagliari, Italy. Available as a pdf file.
Other notes, reports, and drafts are possibly available upon request.
On `fundamental' physics: (click on the image for double size)