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      <title>second-brain</title>
      <link>https://astro-starter-template.nef.workers.dev</link>
      <description>Últimas 10 notas on second-brain</description>
      <generator>Quartz -- quartz.jzhao.xyz</generator>
      <item>
    <title>second-brain</title>
    <link>https://astro-starter-template.nef.workers.dev/</link>
    <guid>https://astro-starter-template.nef.workers.dev/</guid>
    <description><![CDATA[ Un grafo local-first de conocimiento para el estudio de IA/ML — jardín digital ]]></description>
    <pubDate>Tue, 01 Sep 2026 07:45:57 GMT</pubDate>
  </item><item>
    <title>A/B Testing</title>
    <link>https://astro-starter-template.nef.workers.dev/nodes/ab-testing</link>
    <guid>https://astro-starter-template.nef.workers.dev/nodes/ab-testing</guid>
    <description><![CDATA[  ◑ applying · kind concept · level 3 → 4 via project · 48.25h Requiere: Hypothesis Testing Aplica: Statistical Power Cita: Improving Sensitivity (CUPED) Randomised controlled experiments on product metrics. ]]></description>
    <pubDate>Tue, 01 Sep 2026 07:45:57 GMT</pubDate>
  </item><item>
    <title>Action Potential (Spike)</title>
    <link>https://astro-starter-template.nef.workers.dev/nodes/action-potential</link>
    <guid>https://astro-starter-template.nef.workers.dev/nodes/action-potential</guid>
    <description><![CDATA[  ○ unseen · kind concept · level 0 · 3h Requiere: Membrane Potential The all-or-nothing spike a neuron fires when its membrane crosses threshold. ]]></description>
    <pubDate>Tue, 01 Sep 2026 07:45:57 GMT</pubDate>
  </item><item>
    <title>Activation Functions</title>
    <link>https://astro-starter-template.nef.workers.dev/nodes/activation-functions</link>
    <guid>https://astro-starter-template.nef.workers.dev/nodes/activation-functions</guid>
    <description><![CDATA[  ● mastered · kind concept · level 3 · 10h Requiere: Neural Network The non-linearities — ReLU, sigmoid, tanh, GELU — that let stacked layers represent more than a single linear map. ]]></description>
    <pubDate>Tue, 01 Sep 2026 07:45:57 GMT</pubDate>
  </item><item>
    <title>Actor-Critic Methods</title>
    <link>https://astro-starter-template.nef.workers.dev/nodes/actor-critic-methods</link>
    <guid>https://astro-starter-template.nef.workers.dev/nodes/actor-critic-methods</guid>
    <description><![CDATA[  ○ unseen · kind algorithm · level 0 · 0h Requiere: Policy Gradient Learn a policy and a value function together — the family (A2C, PPO) behind most modern deep RL. ]]></description>
    <pubDate>Tue, 01 Sep 2026 07:45:57 GMT</pubDate>
  </item><item>
    <title>Actor Model</title>
    <link>https://astro-starter-template.nef.workers.dev/nodes/actor-model</link>
    <guid>https://astro-starter-template.nef.workers.dev/nodes/actor-model</guid>
    <description><![CDATA[  ◐ learning · kind concept · level 2 · 8h Concurrency as isolated processes that communicate only by messages — no shared memory. ]]></description>
    <pubDate>Tue, 01 Sep 2026 07:45:57 GMT</pubDate>
  </item><item>
    <title>AdEx Neuron</title>
    <link>https://astro-starter-template.nef.workers.dev/nodes/adex-neuron</link>
    <guid>https://astro-starter-template.nef.workers.dev/nodes/adex-neuron</guid>
    <description><![CDATA[  ◑ applying · kind model · level 2 · 18.17h Generaliza: Leaky Integrate-and-Fire (LIF) Requiere: Synaptic Conductance Implementa: Action Potential (Spike) Adaptive Exponential Integrate-and-Fire: adds exponential spike initiation and an adaptation current on top of LIF. ]]></description>
    <pubDate>Tue, 01 Sep 2026 07:45:57 GMT</pubDate>
  </item><item>
    <title>Adversarial Attacks</title>
    <link>https://astro-starter-template.nef.workers.dev/nodes/adversarial-attacks</link>
    <guid>https://astro-starter-template.nef.workers.dev/nodes/adversarial-attacks</guid>
    <description><![CDATA[  ○ unseen · kind concept · level 0 · 3h Requiere: Neural Network Aplica: AI Security Inputs perturbed imperceptibly to flip a model’s output. ]]></description>
    <pubDate>Tue, 01 Sep 2026 07:45:57 GMT</pubDate>
  </item><item>
    <title>Agentic AI Security</title>
    <link>https://astro-starter-template.nef.workers.dev/nodes/agentic-ai-security</link>
    <guid>https://astro-starter-template.nef.workers.dev/nodes/agentic-ai-security</guid>
    <description><![CDATA[  ○ unseen · kind concept · level 0 · 0h Requiere: AI Agents Securing agents as systems — context windows, non-determinism, agentic identity, shifting trust boundaries, and the tool/memory surfaces an attacker can reach through them. ]]></description>
    <pubDate>Tue, 01 Sep 2026 07:45:57 GMT</pubDate>
  </item><item>
    <title>Agentic AI</title>
    <link>https://astro-starter-template.nef.workers.dev/nodes/agentic-ai</link>
    <guid>https://astro-starter-template.nef.workers.dev/nodes/agentic-ai</guid>
    <description><![CDATA[  ◑ applying · kind concept · level 2 · 12h Requiere: Transformer Aplica: Retrieval-Augmented Generation Autonomous LLM-driven systems that plan, call tools, and act across multiple steps with limited supervision. ]]></description>
    <pubDate>Tue, 01 Sep 2026 07:45:57 GMT</pubDate>
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