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        <identifier>oai:figshare.com:article/34024851</identifier>
        <datestamp>2026-09-29T16:03:11Z</datestamp>
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          <dc:title>KODEX — KLINQ: QLINSOLVE</dc:title>
          <dc:creator>Priyanca Ford (25137672)</dc:creator>
          <dc:creator>Ford, P. I. (24663093)</dc:creator>
          <dc:subject>Plasma physics; fusion plasmas; electrical discharges</dc:subject>
          <dc:subject>Nuclear engineering (incl. fuel enrichment and waste processing and storage)</dc:subject>
          <dc:subject>Machine learning not elsewhere classified</dc:subject>
          <dc:subject>fusion energy</dc:subject>
          <dc:subject>spherical tokamak</dc:subject>
          <dc:subject>D-3He</dc:subject>
          <dc:subject>AI/ML surrogate model</dc:subject>
          <dc:subject>uncertainty quantification</dc:subject>
          <dc:subject>digital twin</dc:subject>
          <dc:subject>Kronos Fusion Energy</dc:subject>
          <dc:subject>QLINSOLVE</dc:subject>
          <dc:subject>KODEX:KLINQ</dc:subject>
          <dc:description>&lt;p&gt;&lt;strong&gt;KODEX — KLINQ&lt;/strong&gt; (QLINSOLVE). REAL quantum linear solver — a variational quantum linear solver (VQLS) prepares the solution of a small reduced-MHD linear system with a real quantum circuit (sim now, hardware pluggable), plus an honest fault-tolerant HHL resource estimate. No advantage at real scale; quantum's role in fusion is post-~2036&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Benchmark:&lt;/strong&gt; **REAL quantum linear solver** (VQLS): 4×4 reduced-MHD solve fidelity 1.0 vs classical (rel-resid 0.0); FT-HHL ~4e+04 phys qubits — no advantage, role post-~2036&lt;/p&gt;&lt;p&gt;Part of KODEX, the Kronos Family of Codes — a benchmarked AI/ML fusion surrogate suite with calibrated uncertainty and an abstention gate (&lt;code&gt;predict(x) → (y, uncertainty, in_domain)&lt;/code&gt;). Provenance: references 10.5281/zenodo.21842371. Home: &lt;a href="https://kronosfusionenergy.com/kodex/klinq"&gt;https://kronosfusionenergy.com/kodex/klinq&lt;/a&gt; · suite: &lt;a href="https://github.com/KronosFE/kronos-ml"&gt;https://github.com/KronosFE/kronos-ml&lt;/a&gt;. Licensed under Apache-2.0. Honest card preserved verbatim.&lt;/p&gt;</dc:description>
          <dc:date>2026-09-29T16:03:11Z</dc:date>
          <dc:type>Software</dc:type>
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          <dc:identifier>10.6084/m9.figshare.34024851.v1</dc:identifier>
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