Update parquet files

xvjiarui--arxiv_mini/{parquet-train.parquet → train/0000.parquet}

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:7a582880e47c53b28e1b56217c6774f135f75ec77062186346e782b5b256a1d9
-size 3968066
+oid sha256:c890c2e1ea16dfb913678f775b724715c8bc9c3f192909246fd4e06769898eaa
+size 3967738

xvjiarui--arxiv_mini/{parquet-validation.parquet → validation/0000.parquet}

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:4c55d73f58d4896c165148b024436d55bcc45ba6e0a15d13fb807838876463d6
-size 7428639
+oid sha256:85ba6a4aa3995edcea1669402b0f2dca2851648106591d34c463e5bc4f08ce2a
+size 7428311