| 387 | -- | 423 | Yi Lin, Wujia Zhu, Ningsheng Gong, Guoping Du. Systemic yoyo structure in human thoughts and the fourth crisis in mathematics |
| 424 | -- | 432 | Wujia Zhu, Yi Lin, Ningsheng Gong, Guoping Du. Descriptive definitions of potential and actual infinities |
| 433 | -- | 437 | Wujia Zhu, Yi Lin, Ningsheng Gong, Guoping Du. Wide-range co-existence of potential and actual infinities in modern mathematics |
| 438 | -- | 445 | Wujia Zhu, Yi Lin, Ningsheng Gong, Guoping Du. Modern system of mathematics and a pair of hidden contradictions in its foundation |
| 446 | -- | 452 | Wujia Zhu, Yi Lin, Guoping Du, Ningsheng Gong. The inconsistency of countable infinite sets |
| 453 | -- | 457 | Wujia Zhu, Yi Lin, Guoping Du, Ningsheng Gong. Inconsistency of uncountable infinite sets under ZFC framework |
| 458 | -- | 464 | Wujia Zhu, Yi Lin, Guoping Du, Ningsheng Gong. Modern system of mathematics and special Cauchy theater in its theoretical foundation |
| 465 | -- | 468 | Wujia Zhu, Yi Lin, Guoping Du, Ningsheng Gong. Modern system of mathematics and general Cauchy theater in its theoretical foundation |
| 469 | -- | 473 | Wujia Zhu, Yi Lin, Ningsheng Gong, Guoping Du. Cauchy theater phenomenon in diagonal method and test principle of finite positional differences |
| 474 | -- | 481 | Wujia Zhu, Yi Lin, Ningsheng Gong, Guoping Du. New Berkeley paradox in the theory of limits |
| 482 | -- | 488 | Wujia Zhu, Yi Lin, Guoping Du, Ningsheng Gong. The inconsistency of the natural number system |
| 489 | -- | 493 | Wujia Zhu, Yi Lin, Guoping Du, Ningsheng Gong. Mathematical system of potential infinities (I) - preparation |
| 494 | -- | 504 | Wujia Zhu, Yi Lin, Guoping Du, Ningsheng Gong. Mathematical system of potential infinities (II) - formal systems of logical basis |
| 505 | -- | 515 | Wujia Zhu, Yi Lin, Guoping Du, Ningsheng Gong. Mathematical system of potential infinities (III) - meta theory of logical basis |
| 516 | -- | 525 | Wujia Zhu, Yi Lin, Guoping Du, Ningsheng Gong. Mathematical system of potential infinities (IV) - set theoretic foundation |
| 526 | -- | 533 | Wujia Zhu, Yi Lin, Ningsheng Gong, Guoping Du. Problem of infinity between predicates and infinite sets |
| 534 | -- | 542 | Wujia Zhu, Yi Lin, Ningsheng Gong, Guoping Du. Intension and structure of actually infinite, rigid sets |
| 543 | -- | 549 | B. H. Rudall, C. J. H. Mann. The challenges of tracking and protecting data |
| 550 | -- | 553 | Alex M. Andrew. Dealing with spam: more on climate change |