21Sep 2022 by Nigel Fleming No Comments

linkedin post 2019-11-01 06:22:11

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THE GOAL. “Self-improvement causes systems to converge to an architecture that arises from von Neumann’s foundational work on microeconomics. Self-improvement causes systems to allocate their physical and computational resources according to a universal principle. “ https://lnkd.in/dAGQTQs View in LinkedIn
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21Sep 2022 by Nigel Fleming No Comments

linkedin post 2019-11-01 06:19:52

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PHASE CHANGE. Von Neumann: "There is this this completely decisive property of complexity, that there exists a critical size below which the process of synthesis is degenerative, but above which the phenomenon of synthesis, if properly arranged, can be explosive, in other words, where the synthesis of automata can proceed in such a manner that each automaton will produce other automata which are more complex and of higher potentialities than itself.” http://arxiv.org/pdf/1502.06512 View in LinkedIn
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21Sep 2022 by Nigel Fleming No Comments

linkedin post 2019-11-01 06:17:37

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UNSTUCK POSSIBILITY. “Vinge predicted that if humans could produce artificial intelligence systems with greater than human intelligence, then so could those systems, only faster. The resulting positive feedback cycle would result in an intelligence explosion, or singularity.” https://lnkd.in/et93mHw View in LinkedIn
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21Sep 2022 by Nigel Fleming No Comments
linkedin post 2019-11-02 06:29:41

linkedin post 2019-11-02 06:29:41

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OPEN ISSUES. “Many of the key questions of carpel evolution remain to be answered. For example, it is not known to which organ in gymnosperms the carpel is homologous. The mechanism of carpel closure and the potentially diverse mechanisms of fusion between carpels have yet to be discovered in the more highly evolved syncarpic species.” https://academic.oup.com/jxb/article/57/10/2143/471376/An-evolutionary-perspective-on-the-regulation-of View in LinkedIn
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21Sep 2022 by Nigel Fleming No Comments

linkedin post 2019-11-02 06:27:38

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“DOUBLE FERTILIZATION would have been present in the ancestor of the angiosperms as in extant groups, leading to the production of an embryo and a bi-parental endosperm. However, this endosperm was most probably diploid, rather than triploid as in later-diverging groups.” https://academic.oup.com/jxb/article/57/10/2143/471376/An-evolutionary-perspective-on-the-regulation-of View in LinkedIn
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21Sep 2022 by Nigel Fleming No Comments

linkedin post 2019-11-02 06:25:29

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MALE THEORY. “Conversely, the ‘Mostly Male Theory’ proposes the carpel to have been derived by the closure of (male) microsporophylls, around ovules that had developed ectopically on these. According to this view, all or most of the female-specific developmental pathways in the pre-angiosperm lineage, other than those required for ovule development, were lost during the evolution of the first angiosperms.” https://academic.oup.com/jxb/article/57/10/2143/471376/An-evolutionary-perspective-on-the-regulation-of View in LinkedIn
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21Sep 2022 by Nigel Fleming No Comments
linkedin post 2019-11-02 06:23:20

linkedin post 2019-11-02 06:23:20

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BISEXUAL THEORY. “This theory proposes a pair of alternative mechanisms, based on the movement of a frontier of B-function gene expression in either a basipetal or acropetal direction along male or female reproductive axes, respectively, in the pre-angiosperm lineage. As a result, the axis affected is proposed to have become bisexual, with female organs at its tip and male organs at its base. Carpels would then have evolved by the closure of megasporophylls in the apical region of the bisexual axis.” https://academic.oup.com/jxb/article/57/10/2143/471376/An-evolutionary-perspective-on-the-regulation-of View in LinkedIn
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21Sep 2022 by Nigel Fleming No Comments

linkedin post 2019-11-02 06:22:28

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FEMALE ORIGIN THEORY. “A recent molecular explanation for the origin of the bisexual axis in the flowering plants, termed the Out-of-Male/Out-of-Female Theory, is broadly consistent with this view of a female origin for the carpel.” https://academic.oup.com/jxb/article/57/10/2143/471376/An-evolutionary-perspective-on-the-regulation-of View in LinkedIn
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