*239-A Mathematics/Geosciences building*

Department of Mathematics

Boise State University

Department of Mathematics

Boise State University

1910 University Drive

*Boise, ID 83725-1555*

`e-mail :`caicedo (at) math (dot) boisestate (dot) edu### Research Interests

- Set theory, especially Forcing Axioms, Determinacy, Large Cardinals, Fine structure theory, Infinitary combinatorics.
- Combinatorics, especially its interactions with mathematical logic.

*Some of the entries below are based upon work supported by the National Science Foundation under grant DMS-0801189. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. *

### Contents: Books, Papers, Reviews, Notes.

### Books

**Set theory and its applications**, L. Babinkostova, A. E. Caicedo, S. Geschke, M. Scheepers, eds., Contemporary Mathematics, vol. 533, Amer. Math. Soc., Providence, RI, 2011. MR2777741.

### Papers

*The fourteen Victoria Delfino problems and their status in the year 2015*, with Benedikt Löwe. Submitted to**The Cabal Seminar. Volume IV: Large Cardinals, Determinacy and Other Topics**.*Teoría de Ramsey de ordinales contables muy pequeños*. Submitted to Hipótesis.*Square principles in extensions*, with Paul Larson, Grigor Sargsyan, Ralf Schindler, John Steel, and Martin Zeman. ArXiv. To appear in Israel Journal of Mathematics.*Downward transference of mice and universality of local core models*, with Martin Zeman. ArXiv. To appear in The Journal of Symbolic Logic.*Definability of small puncture sets*, with John Clemens, Clinton Conley, and Benjamin Miller. Fundamenta Mathematicae**215 (1)**(2011), 39-51. MR2851700.*and projective well-orderings of the reals*, with Sy Friedman. The Journal of Symbolic Logic**76 (4)**(2011), 1126-1136. MR2895389.*A trichotomy theorem in natural models of*, with Richard Ketchersid, in**Set Theory and Its Applications**, Contemporary Mathematics, vol. 533, Amer. Math. Soc., Providence, RI, 2011, pp. 227-258. MR2777751.*Cardinal preserving elementary embeddings*, in**Logic Colloquium 2007**, Françoise Delon, Ulrich Kohlenbach, Penelope Maddy, Frank Stephan, eds., Lecture Notes in Logic, Cambridge University Press – ASL (2010), 14-31. MR2668226.*Regressive functions on pairs*. European Journal of Combinatorics**31 (3)**(2010), 803–812. MR2587031.*Goodstein’s function*, Revista Colombiana de Matemáticas**41 (2)**(2007), 381-391. MR2585906.*Projective well-orderings of the reals*, with Ralf Schindler, Archive for Mathematical Logic**45 (7)**(2006), 783-793. MR2266903.*Real-valued measurable cardinals and well-orderings of the reals*, in**Set Theory. Centre de Recerca Matemàtica Barcelona, 2003-2004**, Joan Bagaria, Stevo Todorcevic, eds., Trends in Mathematics, Birkhäuser (2006), 83-120. See also this note. MR2267147.*The bounded proper forcing axiom and well-orderings of the reals*, with Boban Velickovic. Mathematical Research Letters**13 (3)**(2006), 393-408. MR2231126.*Projective well-orderings and bounded forcing axioms*, The Journal of Symbolic Logic**70 (2)**(2005), 557-572. MR2140046.*Exponenciación de cardinales infinitos*, Lecturas Matemáticas**19 (2)**(1998), 87-125. MR1856205.

*Simply definable well-orderings of the reals*, Dissertation, UC Berkeley, 2003. Signature page. (Advisors: John Steel, Hugh Woodin). MR2705176 (Wisest to ignore Chapter 4.)*El problema de los cardinales singulares*, Apuntes Matemáticos**37**, Departamento de Matemáticas, Universidad de los Andes, Bogotá, 1996 (This is a reprint of my undergraduate dissertation, written under the supervision of Xavier Caicedo): 1, 2, 3, 4, 5, 6, 7.

### Reviews

*Foundational implications of the inner model hypothesis*, by Tatiana Arrigoni and Sy-David Friedman. Mathematical Reviews MR2944490.*Graphs on Euclidean spaces defined using transcendental distances*, by Péter Komjáth and James Schmerl. Mathematical Reviews MR2891155.*Some applications of Sargsyan’s equiconsistency method*, by Arthur Apter. Mathematical Reviews MR2890542.*Regular cardinals without the weak partition property*, by Steve Jackson. Mathematical Reviews MR2907002.*Constructing -morasses for*, by Bernhard Irrgang. Mathematical Reviews MR2850762.*Proposing -morasses for*, by Bernhard Irrgang. Mathematical Reviews MR2827553.*The realm of the infinite*, by W. Hugh Woodin. Mathematical Reviews MR2767235.*On guessing generalized clubs at the successors of regulars*, by Assaf Rinot. Mathematical Reviews MR2781096 (2012f:03105).*A Dedekind finite Borel set*, by Arnold W. Miller. Mathematical Reviews MR2765632 (2012f:03101).*The two-cardinal problem for languages of arbitrary cardinality*, by Luis Miguel Villegas Silva. Mathematical Reviews MR2723767 (2011m:03064).*Generic embeddings associated to an indestructibly weakly compact cardinal,*by Gunter Fuchs. Mathematical Reviews MR2720661 (2011m:03094).*On coding uncountable sets of reals*, by Joan Bagaria and Vladimir Kanovei. Mathematical Reviews MR2681346 (2011h:03109).*More on regular and decomposable ultrafilters in ZFC*, by Paolo Lipparini. Mathematical Reviews MR2681340 (2012f:03099).*The consistency strength of the tree property at the double successor of a measurable cardinal*, by Natasha Dobrinen and Sy Friedman. Mathematical Reviews MR2640069 (2011h:03106).*On changing coﬁnality of partially ordered sets*, by Moti Gitik. Mathematical Reviews MR2648158 (2011g:03112).*Strong logics of first and second order*, by Peter Koellner. Mathematical Reviews MR2656116 (2011e:03016).*Cardinal characteristics and projective wellorders*, by Vera Fischer and Sy Friedman. Mathematical Reviews MR2601019 (2011h:03100) .*The determinacy of long games*, by Itay Neeman. The Bulletin of Symbolic Logic**12 (2)**(2006), 299-302.

### Notes (typically not intended for publication)

- Barna’s inequality. December 30, 2014.
- Determinacy and Jónsson cardinals. April 9, 2012.
- Woodin’s proof of the second incompleteness theorem for set theory. November 4, 2010.
- A linear algebra proof of the fundamental theorem of algebra, May 18, 2010.
- Defining non-empty small sets from families of finite sets, with John Clemens, Clinton Conley, and Benjamin Miller. December 4, 2009.
- On Real-valued measurability and Lebesgue measurable sets, October 11, 2005.
- A review of sharps, version of November 2004.
- Is Turing equivalence universal?, version of August 2004.

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