Invariance or equivalence: a tale of two principles

Jacobs, Caspar

doi:10.1007/s11229-021-03205-5

Cited by 7 publications

(5 citation statements)

References 44 publications

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“…STS is critical to many physical laws, equations, and theories. Among them are Maxwell's equation for electromagnetism, the kinetic law of SRT, the Dirac electron equation, and the standard model (SM) of elementary particles (EPs) [46,[68][69][70]. Gauge symmetry group transformations (relevant for all four fundamental quantum fields) involve spatial and temporal variables [71] as the objects of relativity principle.…”

Section: Symmetry and Relativitymentioning

confidence: 99%

Fundamental Cause of Bio-Chirality: Space-Time Symmetry—Concept Review

Dyakin

2022

Symmetry

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The search for fundamental determinants of bio-molecular chirality is a hot topic in biology, clarifying the meaning of evolution and the enigma of life’s origin. The question of origin may be resolved assuming that non-biological and biological entities obey nature’s universal laws grounded on space-time symmetry (STS) and space-time relativity (SPR). The fabric of STS is our review’s primary subject. This symmetry, encompassing the behavior of elementary particles and galaxy structure, imposes its fundamental laws on all hierarchical levels of the biological world. From the perspective of STS, objects across spatial scales may be classified as chiral or achiral concerning a specific space-related symmetry transformation: mirror reflection. The chiral object is not identical (i.e., not superimposable) to its mirror image. In geometry, distinguish two kinds of chiral objects. The first one does not have any reflective symmetry elements (a point or plane of symmetry) but may have rotational symmetry axes (dissymmetry). The second one does not have any symmetry elements (asymmetry). As the form symmetry deficiency, Chirality is the critical structural feature of natural systems, including sub-atomic particles and living matter. According to the Standard Model (SM) theory and String Theory (StrT), elementary particles associated with the four fundamental forces of nature determine the existence of micro- and galaxy scales of nature. Therefore, the inheritance of molecular symmetry from the symmetry of elementary particles indicates a bi-directional (internal [(micro-scale) and external (galaxy sale)] causal pathway of prevalent bio-chirality. We assume that the laws of the physical world impact the biological matter’s appearance through both extremities of spatial dimensions. The extended network of multi-disciplinary experimental evidence supports this hypothesis. However, many experimental results are derived and interpreted based on the narrow-view prerogative and highly specific terminology. The current review promotes a holistic approach to experimental results in two fast-developing, seemingly unrelated, divergent branches of STS and biological chirality. The generalized view on the origin of prevalent bio-molecular chirality is necessary for understanding the link between a diverse range of biological events. The chain of chirality transfer links ribosomal protein synthesis, cell morphology, and neuronal signaling with the laterality of cognitive functions.

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Section: Symmetry and Relativitymentioning

confidence: 99%

Fundamental Cause of Bio-Chirality: Space-Time Symmetry—Concept Review

Dyakin

2022

Symmetry

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“…Kognitiivisen prosessin kerrok sellisuus toimii avaimena sen ym märtämiseksi, miksi intersubjek tiivisuus ja invarianssi on nähty objektiivisen todellisuuden havait semisen välttämättömänä ehtona Paul Diracin, Gottfried Leibnizin, Eino Kailan, Robert Nozickin, Henri Poincarén ja Hermann Weylin ajattelussa (Brading & Crull, 2017;Heinzmann & Stump, 2021;Jacobs, 2021;Ladyman, 2023;MøllerNielsen, 2017;Neu ber, 2012). Tämä perustuu siihen, että intersubjektiivisesti jaettuun todellisuuden luonnetta koske vaan käsitykseen (representaatio) on mahdotonta päätyä subjektii visen kokemuksen tasolta käsin, koska subjektiivisten konstituu tioiden (appearances) olemusta on mahdotonta intersubjektiivisesti varmistaa (ks.…”

Section: Mitä Fenomenologisen Reduktion Soveltaminen Fysiikan Teorioi...unclassified

Himankalaisen luonnontieteen teorioiden kritiikin tieteenfilosofinen analyysi

Selkälä,

Räsänen

2024

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Tarkastelemme artikkelissa tieteenfilosofisesta näkökulmasta filosofi Juha Himangan luonnontieteisiin kohdistaman pitkäaikaisen kritiikin uskottavuutta. Himanka perustaa kriittisen lähestymistapansa fenomenologiaan mutta päätyy soveltamaan sitä sen varsinaisen pätevyysalueen ulkopuolella minkä seurauksena hänen lähestymistapansa muodostuu subjektivistiseksi ja relativistiseksi. Kansainvälisessä tiedepoliittisessa keskustelussa on päädytty käsitykseen, jonka mukaan subjektiivisten kokemusten perusteella on mahdotonta lausua mitään ontologisesti yleispätevää tarkastelun kohteena olevasta ilmiöstä, vaikka subjektiivisten kokemusten sisältöä sellaisenaan voidaankin tarkastella esimerkiksi fenomenologiseen reduktioon perustuen. Tästä syystä Juha Himanka epäonnistuu pitkäaikaisessa luonnontieteisiin kohdistamassaan kriittisessä arvostelussa.

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“…2 Though recently the position has garnered support, starting with Dewar (2017) and followed by Jacobs (2020Jacobs ( , 2021; Martens & Read (2020).…”

Section: My Positionmentioning

confidence: 99%

Same-diff? Part I: Conceptual similarities (and one difference) between gauge transformations and diffeomorphisms

Gomes¹

2021

Preprint

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The following questions are germane to our understanding of gauge-(in)variant quantities and physical possibility: in which ways are gauge transformations and spacetime diffeomorphisms similar, and in which are they different? To what extent are we justified in endorsing different attitudes-sophistication, quidditism/haecceitism, or full elimination-towards each? In a companion paper, I assess new and old contrasts between the two types of symmetries. In this one, I propose a new contrast: whether the symmetry changes pointwise the dynamical properties of a given field. This contrast distinguishes states that are related by a gauge-symmetry from states related by generic spacetime diffeomorphisms, as being 'pointwise dynamically indiscernible'. Only the rigid isometries of homogeneous spacetimes fall in the same category, but they are neither local nor modally robust, in the way that gauge transformations are. In spite of this difference, I argue that for both gauge transformations and spacetime diffeomorphisms, symmetry-related models are best understood through the doctrine of 'sophistication'.

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Invariance or equivalence: a tale of two principles

Cited by 7 publications

References 44 publications

Fundamental Cause of Bio-Chirality: Space-Time Symmetry—Concept Review

Fundamental Cause of Bio-Chirality: Space-Time Symmetry—Concept Review

Himankalaisen luonnontieteen teorioiden kritiikin tieteenfilosofinen analyysi

Same-diff? Part I: Conceptual similarities (and one difference) between gauge transformations and diffeomorphisms

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