Yes, there are several journals and publications that provide tips and strategies for UPSC Mathematics Optional subject preparation. These resources can be extremely helpful for candidates looking to excel in this subject. Here are some notable publications:

1. Mathematics Today:
- Mathematics Today is a monthly journal that covers various aspects of mathematics, including topics relevant to the UPSC Mathematics Optional subject.
- It offers articles, problem-solving techniques, and tips for effective preparation.
- The journal also includes previous years' question papers, which can help candidates familiarize themselves with the exam pattern and type of questions asked.

2. Chronicle Mathematics Optional Magazine:
- Chronicle Mathematics Optional Magazine is specifically designed for UPSC Mathematics Optional subject preparation.
- It provides comprehensive coverage of the syllabus, including detailed explanations of concepts, solved examples, and practice exercises.
- The magazine also features strategies and tips from experts, to help candidates improve their problem-solving skills and time management.

3. Mathematics Spectrum:
- Mathematics Spectrum is a publication that focuses on various mathematical topics, including those relevant to the UPSC Mathematics Optional subject.
- It offers in-depth coverage of concepts, along with examples and practice questions.
- The magazine also includes articles on mathematical reasoning and problem-solving techniques, which can be beneficial for UPSC aspirants.

4. Mathematics Optional Guide Books:
- There are several guide books available in the market that cater specifically to the UPSC Mathematics Optional subject.
- These books provide a comprehensive overview of the syllabus and include strategies, tips, and practice questions.
- Some popular guide books for UPSC Mathematics Optional subject preparation include "Mathematics for Civil Services Main Examination" by K. V. Raman and "Mathematics Optional: Previous Years' Questions with Solutions" by Shubhashish Sir.

5. Online Platforms:
- In addition to print publications, there are also various online platforms that offer tips and strategies for UPSC Mathematics Optional subject preparation.
- Websites like EduRev provide comprehensive study material, video lectures, and practice questions for the Mathematics Optional subject.
- These platforms also offer guidance from subject experts and provide a community where aspirants can interact and share their knowledge and doubts.

In conclusion, candidates preparing for the UPSC Mathematics Optional subject can benefit from various journals, magazines, guide books, and online platforms. These resources provide valuable tips, strategies, and practice material to help candidates excel in this subject. It is important for aspirants to make use of these resources in a structured and systematic manner to enhance their preparation and increase their chances of success in the UPSC examination.