Abstract: For sparse array design, degrees of freedom (DOFs) and mutual coupling (MC) are two essential metrics to be taken into account, and high DOFs and low MC are favorable to generating better ...

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The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

I would like to add nested column descriptions to SQLMesh models. If running on BigQuery then the data type would be a RECORD type. model ( name my_dataset.my_table, description "Contains rows.", ...

I guess it's because pyarrow.nulls initialize the nested arrays to nulls, but they are not nullable so they should be initialized to default values. Alternatively, the cast / validate method should ...