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Optimal Initialization in Depth: Lyapunov Initialization and Limit Theorems for Deep Leaky ReLU Networks
Announce Type: replace-cross Abstract: Effective initialization in deep networks requires an understanding of random neural networks. In this work, a rigorous probabilistic analysis of deep bias-free random Leaky ReLU networks is provided. We prove a Law of Large Numbers and a Central Limit Theorem for the logarithm of the norm of network activations, establishing that, as the number of layers increases, their growth is governed by a parameter called the Lyapunov exponent.
Jailbreak Attack Initializations as Extractors of Compliance Directions
arXiv:2502.09755v4 Announce Type: replace Abstract: Safety-aligned LLMs respond to prompts with either compliance or refusal, each corresponding to distinct directions in the model's activation space. Recent works show that initializing attacks via self-transfer from other prompts significantly enhances their performance. However, the underlying mechanisms of these initializations remain unclear, and attacks utilize arbitrary or hand-picked initializations.
Amino Acid Stress Induces Non-AUG Initiation of c-myc Translation
Initiation of translation at non-AUG start codons can generate novel isoforms of important cellular regulators, with activities or localization distinct from their AUG-initiated counterparts. Ribosomes scanning the 5'UTR upstream of canonical AUG starts recognize near-cognate starts inefficiently, however, and the mechanisms by which non-canonical starts might be regulated physiologically are poorly understood. We show here that the restriction of utilization of individual amino acid induces...
LoRA-DA: Data-Aware Initialization for Low-Rank Adaptation via Asymptotic Analysis
arXiv:2510.24561v3 Announce Type: replace Abstract: LoRA has become a widely adopted method for PEFT, and its initialization methods have attracted increasing attention. However, existing methods have notable limitations: many methods do not incorporate target-domain data, while gradient-based methods exploit data only at a shallow level by relying on one-step gradient decomposition. In this paper, we establish a theoretical framework for data-aware LoRA initialization.
Germany’s Merz says EU to initiate integration of Western Balkans
Germany’s Merz says EU to initiate integration of Western Balkans Alongside Ukraine and Moldova, six nations wish to join the European Union, including Montenegro, which hosted EU-Western Balkans summit. German Chancellor Friedrich Merz says that the European Union plans to initiate a gradual integration process for six Western Balkan countries wishing to join the bloc. “The clear message of today is, and will remain: We want you.
Not All Warm Starts Help: Benchmarking Primal-Dual Initializations for ACOPF Algorithms
arXiv:2606.08984v1 Announce Type: cross Abstract: Warm starts are widely used to accelerate AC optimal power flow (ACOPF) solves, but the impact of different initialization strategies has received limited systematic study, particularly for the primal-dual interior-point methods that dominate large-scale ACOPF algorithms. This paper benchmarks initialization strategies for ACOPF solved with the interior-point solver IPOPT on 19 PGLib-OPF instances (5 to 30,000 buses), testing all 15 non-empty...
NParks investigating unauthorised clearance of trees at nature reserve planted under greening initiative
NParks investigating unauthorised clearance of trees at nature reserve planted under greening initiative According to NParks, a contractor went against its direction and cleared the tree-planting site at Lower Peirce Reservoir on May 29 to store materials. SINGAPORE: The National Parks Board said on Thursday (Jun 4) that it is investigating the unauthorised clearance of a site in Lower Peirce Reservoir, which contained trees planted under a nationwide greening initiative. NParks said that an...
Tech giant OpenAI files for US initial public offering
Tech giant OpenAI files for US initial public offering OpenAI did not disclose the size or terms of the offering, and said a timeline has not yet been determined. ChatGPT-maker OpenAI has confidentially filed for a United States initial public offering (IPO), joining rival Anthropic in a push towards the stock market as investors seek exposure to the artificial intelligence boom. OpenAI did not disclose the size or terms of the offering.
A New York university faces Justice Department investigation over 'Black Male Initiative'
The Department of Justice's (DOJ) Civil Rights Division announced an investigation into the City University of New York (CUNY) over its "Black Male Initiative (BMI)."According to the CUNY website, BMI’s mission "is to increase, encourage, and support the inclusion and educational success of students from groups that are severely underrepresented in higher education, in particular African, African American/Black, Caribbean and Latino/Hispanic males. "In a press release on Tuesday, the DOJ...
Initialization is Half the Battle: Generating Diverse Images from a Guidance Potential Posterior
arXiv:2606.02453v1 Announce Type: new Abstract: Despite the remarkable fidelity of generative models, they frequently suffer from mode collapse. Existing strategies for enhancing diversity predominantly focus on intervening during the generation trajectory. We identify a critical oversight that the standard Gaussian initialization often causes trajectories to collapse into dominant modes because it is agnostic to the guidance potential landscape.