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Task Arithmetic

A task vector specifies a direction in the weight space of a pre-trained model, such that movement in that direction improves performance on the task. We build task vectors by subtracting the weights of a pre-trained model from the weights of the same model after fine-tuning on a task. We show that these task vectors can be modified and combined together through arithmetic operations such as negation and addition, and the behavior of the resulting model is steered accordingly.

Papers

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Showing 26–50 of 61 papers

TitleStatusHype
MCU: Improving Machine Unlearning through Mode Connectivity—0
CAT Merging: A Training-Free Approach for Resolving Conflicts in Model Merging—0
Investigating Task Arithmetic for Zero-Shot Information RetrievalCode0
When is Task Vector Provably Effective for Model Editing? A Generalization Analysis of Nonlinear Transformers—0
Leveraging Submodule Linearity Enhances Task Arithmetic Performance in LLMsCode0
Single-Input Multi-Output Model Merging: Leveraging Foundation Models for Dense Multi-Task Learning—0
Efficient Model Editing with Task-Localized Sparse Fine-tuningCode0
OpenThaiGPT 1.6 and R1: Thai-Centric Open Source and Reasoning Large Language Models—0
Disentangling Task Interference within Neurons: Model Merging in Alignment with Neuronal Mechanisms—0
Layer-Aware Task Arithmetic: Disentangling Task-Specific and Instruction-Following Knowledge—0
Neural Networks Remember More: The Power of Parameter Isolation and Combination—0
Mediator: Memory-efficient LLM Merging with Less Parameter Conflicts and Uncertainty Based Routing—0
Efficient Model Editing with Task Vector Bases: A Theoretical Framework and Scalable ApproachCode0
Task Arithmetic in Trust Region: A Training-Free Model Merging Approach to Navigate Knowledge Conflicts—0
Soup to go: mitigating forgetting during continual learning with model averaging—0
BADTV: Unveiling Backdoor Threats in Third-Party Task Vectors—0
When Domain Generalization meets Generalized Category Discovery: An Adaptive Task-Arithmetic Driven Approach—0
Bias Vector: Mitigating Biases in Language Models with Task Arithmetic Approach—0
Multi-Task Model Merging via Adaptive Weight DisentanglementCode0
Task Arithmetic Through The Lens Of One-Shot Federated Learning—0
Beyond Task Vectors: Selective Task Arithmetic Based on Importance Metrics—0
ATM: Improving Model Merging by Alternating Tuning and Merging—0
Efficient and Effective Weight-Ensembling Mixture of Experts for Multi-Task Model Merging—0
The Non-Local Model Merging Problem: Permutation Symmetries and Variance Collapse—0
What Matters for Model Merging at Scale?—0
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