Cryptic crossword, Issue 15

Can you solve it?

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Cryptic #3, set by Logisca: Download as a PDF or read on!

Across clues

  • 1. By morning, Somerville will be a fields medallist. (6)
  • 4. It’s Mats Vermeeren’s favourite mathematician that is debased. Not her! (7)
  • 8. In a direction somewhat antipodal to 17. (5)
  • 9. Elects to decrease one degree by an order of magnitude (ie a tenth). (7)
  • 10. Established time zone. (1,1,1)
  • 12. A mark by a learner is situated on an axis. (4)
  • 13. Magazine editors at heart regularly should (with slack) organise. (9)
  • 15. Imaginary degree from learned society. (1,1,1)
  • 16. The value approached is an extremity by the sounds of it. (3)
  • 20. Two yields level best… (4,5)
  • 22. … a single time produces no change nowadays. (4)
  • 24. Starts of lemmas, examples, and theorems, and the beginnings of some proofs. (3)
  • 26. European adopting one French mathematician. (7)
  • 27. See 27. (5)
  • 28. Bronze man is touching but not crossing. (7)
  • 29. Easing treatment provided by the witch. (6)

Down clues

  • 1. Men lead current top three in science, causing results of tension. (7)
  • 2. Revolutionary hands around a mixed acid. (7)
  • 3. Race around a large area. (4)
  • 5. Campaign division, say. (9)
  • 6. Helium-59? According to Sophie Bleau, it’s a circle! (5)
  • 7. Outcome of Ulster riots. (6)
  • 11. This could be you? (leftmost of all of the answers ultimately). (3)
  • 12. A computing pioneer whichever way you look. (3)
  • 14. A measurement of American money. First nickels, then assorted lead-free coins (9)
  • 16. Algebra of untruth? (3)
  • 17. One initially Cartesian plane transforms to historic polar opposite of 8. (7)
  • 18. Othello’s ancestor is about the fifth king in Spain? Yes! (7)
  • 19. Nothing new, argued uninitiated. (6)
  • 21. About 45 inches?! Sounds like hell. (3)
  • 23. It’s about time to fix back gate by church. (5)
  • 25. Odd terming is used when discussing triangles? (4)

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