Co-genesis Scenario: Joint-Emergence Models
- Co-genesis scenario is a joint-emergence process where interacting components collectively produce outcomes instead of arising from isolated origins.
- It spans disciplines—from AI ethics to cosmology—emphasizing coupling between cultural norms, metabolic pathways, and asymmetric matter generation.
- The approach highlights dynamic interactions and shared processes, offering alternative frameworks to traditional linear formation theories.
A co-genesis scenario denotes a research pattern in which a target structure does not arise from a single prior source or from a simple linear sequence, but from a coupled process of joint formation. In the cited literature, this usage appears in technically distinct forms: the relational production of AI-ethical norms across cultures, the mutual scaffolding of proto-metabolic and proto-informational organization, non-singular cosmological histories that combine Genesis with later phases, linked generation of visible and dark-sector abundances, grain-surface molecular formation, and the fusion or staged expansion of precursor coding systems (Younas, 24 May 2025, Mitra-Delmotte et al., 2010, Choi et al., 4 Mar 2025, March-Russell et al., 2011, Upadhyay et al., 2021, Yarus, 2024). Taken together, these works suggest that “co-genesis” is less a single formalism than a family of joint-emergence models in which interaction, coupling, or fusion is itself constitutive of the outcome.
1. Shared conceptual profile
Across these literatures, co-genesis is defined against simpler alternatives. In AI ethics, it is opposed both to “universalist imposition” and to “ethical stalemate,” because ethical values are said to be “co-produced through intercultural engagement, dialogical encounters, and mutual moral inquiry” rather than merely exported or kept in sealed traditions (Younas, 24 May 2025). In origin-of-life theory, it is opposed to the split between “information-first” and “metabolism-first,” because early organization is treated as a case of “mutual scaffolding” between proto-metabolic flux and ordered mineral matter (Mitra-Delmotte et al., 2010). In particle cosmology, it often names a linked production mechanism in which baryonic and dark abundances descend from a common dynamical source rather than unrelated freeze-out histories (March-Russell et al., 2011).
A plausible common denominator is that co-genesis models relocate explanatory priority from isolated components to the interaction that binds them. The relevant interaction may be intercultural dialogue, field-structured colloidal assembly, NEC-violating interpolation between cosmological eras, asymmetric sharing operators, or code fusion between pre-existing coding domains. In each case, the generated object is treated as emergent from coupling rather than as a pre-given entity awaiting transmission.
The same point also marks the boundary of the term. Some cited papers use “co-genesis” literally, as in “spontaneous co-genesis” of dark and baryonic asymmetries; others are best read as co-genesis-adjacent because they provide a transfer mechanism or architectural ingredient without constructing the full combined history. The beyond-Horndeski paper on nonsingular cosmology, for example, gives a stable bounce and a stable Genesis solution in one framework, but “does not itself present a combined Genesis-plus-bounce background” (Kolevatov et al., 2017).
2. Cultural co-genesis in AI ethics
In AI ethics, the most explicit formulation appears in “Toward a Cultural Co-Genesis of AI Ethics” (Younas, 24 May 2025). There, culture is “not a boundary or container of isolated moral systems,” but “a generative space for ethical co-production,” and ethics is “not a static inheritance or a set of universal doctrines,” but something that “emerges in the relational space between cultural perspectives.” The paper’s central claim is that cross-cultural AI ethics should not be understood either as the global application of preexisting universal principles or as the coexistence of sealed-off local moral systems. Instead, values, norms, and principles are generated through “intercultural engagement,” “dialogical encounters,” “mutual recognition,” and “shared moral inquiry.”
The argument is structured as a rejection of four alternatives. Against universalism, it opposes the treatment of Western liberal principles as the default global baseline. Against relativism, it rejects the view that ethical traditions are so bounded that collaboration becomes impossible. Against multicultural accommodation, it argues for a shift “from managing difference to constructing shared ethical meaning.” Against static views of culture, it describes culture as “dynamic, interpretive, and generative,” evolving through “stories, rituals, practices, and crises,” and shaped “through interaction with others.”
The paper supports this conceptual position with two cases. The first examines cultural narratives about the emergence of powerful new beings. It argues that the dominant Western AGI and existential-risk narrative—AI as a superior intelligence that may “surpass, subjugate, or even eliminate humanity”—is culturally specific rather than universal. Islamic eschatology, Confucian thought, and many Indigenous American and African cosmologies are presented as cases in which powerful alterity is not automatically framed as existential catastrophe. The second case uses the Linking AI Principles project, described as “a curated database of over 100 AI ethics frameworks from across the globe,” and identifies recurrent ethical dimensions such as fairness, transparency, privacy, safety, accountability, human well-being, sustainability, collaboration, long-term responsibility, and human dignity. These are interpreted as “relational attractors” rather than evidence of uniformity.
The governance implication is direct. If ethics is co-generated, then institutions should create “deliberative spaces in which traditions can engage on equal terms—not as data points to be consulted, but as epistemic agents capable of shaping the norms themselves.” The paper does not supply a formal model or staged algorithm, but it does supply a clear institutional orientation: AI governance should support co-creation from the outset, not merely consultation after principles have already been fixed.
3. Material co-genesis in origin-of-life theory
In origin-of-life research, a co-genesis scenario is presented as an integrative alternative to the long-standing opposition between information-first and metabolism-first theories. “‘Genesis’: A takeover from field-responsive matter?” argues that field-responsive mineral colloids, especially magnetic iron-sulfide particles such as greigite, could bridge Cairns-Smith’s crystal-gene hypothesis and Russell’s alkaline hydrothermal mound scenario (Mitra-Delmotte et al., 2010). The proposed substrate is a hydrothermal setting with FeS membranes, redox and pH gradients, catalytic metal sulfides, and greigite-bearing colloids capable of reversible, field-organized assembly.
The paper’s core claim is that early systems may have combined “metabolic throughput driven by hydrothermal disequilibria” with “ordered, selectively assembled mineral scaffolds” able to provide templating, selectivity, reversible organization, and feedback. Framboids are central to this synthesis. They are described as raspberry-like mineral aggregates, classically pyrite but here importantly greigite, assembled in colloidal environments by a balance of surface tension, electrostatic repulsion, and magnetic dipolar attraction. The cited Black Sea greigite framboids are “nested structures, building up from the smallest one,” with diameters around $2.1$, $4.2$, $6.3$, and .
The distinctive mechanism is a local “magnetic rock field” acting on superparamagnetic or single-domain greigite particles. The paper refers to the Stoner–Wohlfarth model, Néel’s theory, Brownian versus Néel relaxation, Hoffmann’s $30$– estimate for greigite superparamagnetism, and the Wilkin–Barnes framboid model. Extrapolating from that literature, it argues that nano-scale framboid-like aggregates would require fields in roughly the milliTesla range. The point is not that mineral particles behaved as enzymes, but that field-responsive FeS colloids may have supplied a “soft, coherent, reversible scaffold” on which proto-metabolic and proto-informational functions emerged together.
The paper is explicit about its evidential status. It presents a “speculative but physically informed synthesis,” not a validated mechanism. It states that there is no direct evidence for local Hadean rock fields of the required strength, no demonstration that field-induced greigite assemblies performed heredity-like templating, and no direct validation of the more ambitious coherence proposals. Its significance lies in providing a common physical substrate for jointly emerging constraints and fluxes.
A related but more explicitly sequential counterpoint appears in the “Three-stage Origin of Life” model, which argues for DNA world RNA world Protein world under directional Darwinian evolution driven by planetary cooling (Novikov, 2012). That paper includes transitional coupling, especially a DNA+RNA stage, but it is not a full co-genesis account in the strong sense. This contrast clarifies that the term can denote either simultaneous mutual scaffolding or, in weaker usages, tightly coupled successive emergence.
4. Cosmological Genesis and composite early-universe histories
In cosmology, co-genesis usually denotes a non-singular history in which a Genesis phase is combined with a later regime rather than replacing it. Several cited papers establish the building blocks. A beyond-Horndeski construction exhibits a fully stable nonsingular flat bounce and a fully stable, geodesically complete Genesis solution, but “does not itself present a combined Genesis-plus-bounce background” (Kolevatov et al., 2017). Its main transferable result is the no-go-evading mechanism: may cross zero while remains positive. In a related Horndeski Genesis analysis, apparent strong coupling in the asymptotic past does not automatically invalidate the background, provided $4.2$0 and $4.2$1 (Ageeva et al., 2018).
A minimal Horndeski Genesis model goes further by constructing a stable transition from an asymptotically Minkowski Genesis phase to kination, with restoration of GR at late times (Choi et al., 4 Mar 2025). Its central conditions are $4.2$2 and $4.2$3. The paper emphasizes two Genesis regimes—power-law and manifestly non-power-law—and shows that both can remain within unitarity bounds. Its main limitation is observational: the adiabatic scalar spectrum remains blue, so a spectator field is introduced to obtain a red-tilted scalar power spectrum.
The DHOST emergent-universe paper similarly constructs a Genesis-like scenario that starts from asymptotically Minkowski spacetime and evolves into radiation domination without an external reheating sector (Ilyas et al., 2020). Its novelty lies in using DHOST operators to keep scalar and tensor perturbations free from gradient instabilities through the exit. At the same time, it does not obtain a scale-invariant scalar spectrum from vacuum fluctuations of the main field; vacuum, thermal particle, and Gibbons–Hawking fluctuations are all blue, while string-gas fluctuations are approximately scale invariant.
The most explicit hybrid construction is “Genesis–Starobinsky inflation can explain the ACT data,” which proposes three stages: a Genesis phase, a brief transition restoring General Relativity, and a Starobinsky inflationary phase (Choi et al., 5 Sep 2025). The Genesis asymptotics are $4.2$4 and $4.2$5 as $4.2$6; the model remains weakly coupled and stable in a window satisfying $4.2$7 and $4.2$8. Its main claim is that Genesis induces specific corrections to the Starobinsky potential that cannot be represented by simple $4.2$9-type modifications. These corrections robustly increase $6.3$0, thereby improving the agreement of Starobinsky inflation with ACT-preferred values.
Taken together, these papers suggest that cosmological co-genesis is best understood as a composite early-universe architecture: Genesis supplies non-singular initial conditions, while a later phase—kination, radiation domination, or inflation—supplies the conventional late-time cosmological regime.
5. Linked generation of visible and dark matter
In particle cosmology, co-genesis most often denotes the simultaneous or chemically linked production of visible and dark-sector abundances. “Asymmetric Dark Matter via Spontaneous Co-Genesis” is the clearest canonical example (March-Russell et al., 2011). There, a homogeneous rolling scalar $6.3$1 couples derivatively to the dark current,
$6.3$2
so that $6.3$3 acts as an effective chemical potential. While $6.3$4-violating reactions are in equilibrium, the plasma develops a dark asymmetry,
$6.3$5
which is then shared with baryons through operators such as $6.3$6. The paper distinguishes two regimes, $6.3$7 and $6.3$8, and derives a characteristic prediction $6.3$9.
“Axionic Co-genesis of Baryon, Dark Matter and Dark Radiation” extends the logic to a supersymmetric PQ sector (Jeong et al., 2013). In that model, axion misalignment yields dark matter, saxion decay into right-handed neutrinos yields non-thermal leptogenesis and hence baryon asymmetry, and saxion decay into axions yields dark radiation. The preferred overlap region is
0
with 1 naturally small or moderate depending on the saxion branching ratio into axions.
A different construction appears in the two-component scotogenic framework “Two-component Dark Matter with co-genesis of Baryon Asymmetry of the Universe” (Borah et al., 2019). There, one dark-matter component is thermal and WIMP-like, the other is non-thermal and FIMP-like, and the lepton asymmetry is generated by 2 co-annihilation together with a partial contribution from 3 decay. The paper emphasizes a thermal dark-matter mass as low as 4 TeV and a non-thermal component as low as a few keV, allowing a sub-dominant warm-dark-matter fraction.
The visible/dark co-genesis paper in a 5 extension adopts a non-thermal mechanism in which a hidden-sector scalar 6 populates heavy charged scalars 7 and 8, whose decays generate equal and opposite visible and dark asymmetries (Kohri et al., 2013). The dark matter is the lightest 9, with $30$0, and its late leptophilic decay can explain the AMS-02 positron excess for $30$1. Relic abundance and Xenon-100 constraints compress the viable $30$2-breaking scale to roughly $30$3 TeV.
A useful boundary case is “Conversion-driven freeze-out,” which the paper itself describes as a “co-generated thermal relic abundance” controlled by a heavier partner and a conversion bottleneck rather than by DM self-annihilation (Garny et al., 2019). This is related to co-genesis in the broad sense of joint abundance generation, but it is explicitly distinguished from asymmetric co-genesis.
6. Chemical, astrochemical, and code-evolution scenarios
In astrochemistry, co-genesis can mean that a product is generated jointly with its stabilizing environment. “Genesis of Polyatomic Molecules in Dark Clouds” studies
$30$4
on amorphous solid water (ASW) under conditions relevant to cold molecular clouds (Upadhyay et al., 2021). The simulations show recombination on the sub-nanosecond time scale, stabilization of internally hot CO$30$5 by energy transfer to ASW, and continued adsorption on extended time scales. Over $30$6 simulations on the MMH surface, more than $30$7 lead to CO$30$8 formation and stabilization, while high-level RKHS/CCSD(T)-F12 trajectories also reveal stabilization of COO. The paper’s implication is that the grain surface is constitutive of molecule genesis: adsorption, orientation, recombination, and stabilization are inseparable.
In genetic-code theory, the term appears in at least two distinct forms. “On the origin of the standard genetic code as a fusion of prebiotic single-base-pair codes” proposes that the Standard Genetic Code arose from the fusion of AU- and GC-codes distributed in dominant and recessive domains (Nesterov-Mueller et al., 2020). The model is rule-based: dominant assignments are preserved after fusion; second-position bases never change; third-position $30$9 and 0 exchanges expand codon families; and recessive mappings additionally alter first-position bases via 1 and 2. The paper interprets the SGC as the residue of a larger prebiotic coding space of 3 possible amino-acid assignments, including pyrrolysine, selenocysteine, norleucine, norvaline, and two inferred unknown amino acids X1 and X2.
A different code-evolution scenario appears in “Familiar biological, chemical and physical events credibly evolve the Standard Genetic Code” (Yarus, 2024). That paper gives a serial path through RNA-world coding specificities, a ribonucleopeptide transition (RNPT), code escape, and code diaspora. It introduces an index of plausibility based on “least selection,” effectively maximizing accuracy per unit time, and argues that the RNA world supports about 4 assignments, enough to launch the RNPT. During the RNPT, coexisting codes can fuse, and a code and its microbial carrier “suited to a free-living existence” evolve together. The resulting universality of the Standard Genetic Code is then attributed to SGC ascendancy during escape and diaspora.
These models are structurally different. The fusion paper is a formal reconstruction from precursor code domains; the RNPT paper is an evolutionary dynamics model joining code, metabolism, translation, and microbial lineage. A plausible synthesis is that both treat the modern code as an outcome of interacting partial systems rather than as the direct expansion of a single isolated proto-code.
7. Limits, controversies, and interpretive boundaries
The cited literature is unusually heterogeneous, and several cautions are built into it. First, not every “co-genesis” paper offers a formal or experimentally grounded mechanism. The AI-ethics paper is “conceptual and qualitative,” without equations or staged algorithms (Younas, 24 May 2025). The mineral origin-of-life paper is “speculative but physically informed,” with no direct evidence for Hadean rock fields of the required strength and no demonstration of heredity-like templating in greigite assemblies (Mitra-Delmotte et al., 2010). The genetic-code fusion paper is a formal, pattern-based hypothesis rather than a biochemical derivation (Nesterov-Mueller et al., 2020).
Second, in cosmology, the main technical controversies concern NEC violation, strong coupling, and completion. The beyond-Horndeski toolkit paper does not build the combined Genesis-plus-bounce history it motivates (Kolevatov et al., 2017). Minimal Horndeski Genesis can be made stable and can restore GR, but its adiabatic scalar perturbations are generically blue-tilted, so observational viability requires a spectator mechanism (Choi et al., 4 Mar 2025). The DHOST emergent-universe scenario solves the graceful-exit problem and avoids gradient instabilities, but does not generate a scale-invariant scalar spectrum from the main field (Ilyas et al., 2020).
Third, in matter-genesis models, “co-genesis” does not always mean the same thing. In some papers it denotes simultaneous asymmetry generation between visible and dark sectors; in others it denotes a common sector origin for baryons, dark matter, and dark radiation; in still others it means assisted thermal relic generation through a partner species rather than asymmetric production (March-Russell et al., 2011, Jeong et al., 2013, Garny et al., 2019). A plausible implication is that the term functions more as a structural descriptor—joint dependence on coupled production channels—than as a unique model class.
For that reason, the safest encyclopedic reading is comparative. A co-genesis scenario is not defined by one ontology or one mathematical template. It is defined by a recurring explanatory move: the claim that what matters most is generated in and through coupling. In the cited work, that coupling may be intercultural, mineral–geochemical, cosmological, asymmetric, ecological, or code-fusional. The durability of the term across such different domains suggests that it names a general research strategy: to explain formation by joint emergence rather than by isolated origin.