Opportunity summary
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ARXIV:2603.09952 · OPTIMIZER RESEARCH · SUBMITTED 02 APR · 02:30 UTC · FRESHNESS STALE
ARXIV:2603.09952OPTIMIZER RESEARCHSUBMITTED 02 APR · 02:30 UTCFRESHNESS STALEarXiv
MOGA introduces a new family of width-aware optimizers for stable learning-rate transfer across model widths.
Opportunity summary
Pain MOGA introduces a new family of width-aware optimizers for stable learning-rate transfer across model widths.
Evidence 0 refs | 0 sources | 17% coverage
Blocker Evidence unverified
MOGA introduces a new family of width-aware optimizers for stable learning-rate transfer across model widths. We address this question by interpreting several widely used neural-network optimizers, including \textrm{AdamW} and \textrm{Muon}, as instances of steepest…
A central question in modern deep learning is how to design optimizers whose behavior remains stable as the network width $w$ increases. We address this question by interpreting several widely used neural-network optimizers, including…
ScienceToStartup currently rates this 3.0/10 on the public viability pass. This perspective links optimizer geometry with the Lipschitz structure of the network forward map, and enables width-independent control of both Lipschitz and smoothness constants.
Optimizer Research moved forward this cycle; last verified April 2026. Public score 3.0/10.
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MOGA introduces a new family of width-aware optimizers for stable learning-rate transfer across model widths.
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10.48550/arXiv.2603.09952MOGA introduces a new family of width-aware optimizers for stable learning-rate transfer across model widths.
Abstract
A central question in modern deep learning is how to design optimizers whose behavior remains stable as the network width $w$ increases. We address this question by interpreting several widely used neural-network optimizers, including \textrm{AdamW} and \textrm{Muon}, as instances of steepest descent under matrix operator norms. This perspective links optimizer geometry with the Lipschitz structure of the network forward map, and enables width-independent control of both Lipschitz and smoothness constants. However, steepest-descent rules induced by standard $p \to q$ operator norms lack layerwise composability and therefore cannot provide width-independent bounds in deep architectures. We overcome this limitation by introducing a family of mean-normalized operator norms, denoted $\pmean \to \qmean$, that admit layerwise composability, yield width-independent smoothness bounds, and give rise to practical optimizers such as \emph{rescaled} \textrm{AdamW}, row normalization, and column normalization. The resulting learning rate width-aware scaling rules recover $μ$P scaling~\cite{yang2021tensor} as a special case and provide a principled mechanism for cross-width learning-rate transfer across a broad class of optimizers. We further show that \textrm{Muon} can suffer an $\mathcal{O}(\sqrt{w})$ worst-case growth in the smoothness constant, whereas a new family of row-normalized optimizers we propose achieves width-independent smoothness guarantees. Based on the observations, we propose MOGA (Matrix Operator Geometry Aware), a width-aware optimizer based only on row/column-wise normalization that enables stable learning-rate transfer across model widths. Large-scale pre-training on GPT-2 and LLaMA shows that MOGA, especially with row normalization, is competitive with Muon while being notably faster in large-token and low-loss regimes.
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Dimensions overall score 3.0
PROBLEM
MOGA introduces a new family of width-aware optimizers for stable learning-rate transfer across model widths. We address this question by interpreting several widely used neural-network optimizers, including \textrm{AdamW} and \textrm{Muon}, as instances of steepest descent unde...
METHOD
A central question in modern deep learning is how to design optimizers whose behavior remains stable as the network width $w$ increases. We address this question by interpreting several widely used neural-network optimizers, including \textrm{AdamW} and \textrm{Muon}, as instanc...
RESULT
ScienceToStartup currently rates this 3.0/10 on the public viability pass. This perspective links optimizer geometry with the Lipschitz structure of the network forward map, and enables width-independent control of both Lipschitz and smoothness constants.
WHY NOW
Optimizer Research moved forward this cycle; last verified April 2026. Public score 3.0/10.
Abstract-backed public claims while anchored extraction refreshes.
MOGA introduces a new family of width-aware optimizers for stable learning-rate transfer across model widths. We address this question by interpreting several widely used neural-network optimizers, including \textrm{AdamW} and \textrm{Muon}, as instances of steepest descent under matrix operator norms.
Abstract-backed fallback claim; anchored extraction has not materialized a public claim row yet.
partial
A central question in modern deep learning is how to design optimizers whose behavior remains stable as the network width $w$ increases. We address this question by interpreting several widely used neural-network optimizers, including \textrm{AdamW} and \textrm{Muon}, as instances of steepest descent under matrix operator norms.
Abstract-backed fallback claim; anchored extraction has not materialized a public claim row yet.
partial
ScienceToStartup currently rates this 3.0/10 on the public viability pass. This perspective links optimizer geometry with the Lipschitz structure of the network forward map, and enables width-independent control of both Lipschitz and smoothness constants.
Abstract-backed fallback claim; anchored extraction has not materialized a public claim row yet.
partial
Optimizer Research moved forward this cycle; last verified April 2026. Public score 3.0/10.
Abstract-backed fallback claim; anchored extraction has not materialized a public claim row yet.
partial
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MOGA introduces a new family of width-aware optimizers for stable learning-rate transfer across model widths.
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Optimizer Research
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Technical feasibility
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