SODA23 General Information | SIAM

General Information

Hybrid: ACM-SIAM Symposium on Discrete Algorithms (SODA23)

General Information

Standard Audio-visual Set-up in Meeting Rooms

Speakers do not need to provide their own computers, and will be expected to deliver their presentation to the slide preview staff one hour in advance of their presentation.

Review the Guidelines for Speakers for A/V and speaker information. All speakers should also review the slide template.

The Slide Centre will be open on January 21, 2023 from 17.30 to 19.00 so all the speakers involved in the first Session on January 22, 2023 are welcome to deliver their presentations. From January 22-25, 2023, the Slide Preview will be open every day from half an hour before the first session until the end of the last session.

Internet Access

WiFi will be available at the Congress Centre and Grand Hotel Mediterraneo guest rooms. Network and password information will be provide onsite.

Local Area

Visit for more information on Florence, Italy and the surrounding area.

The average January temperature in Florence varies between 36° F (2°C) and 52° F (11°C). Remember meeting room temperatures and personal comfort zones vary widely. It is recommended that you bring a sweater or jacket to the sessions.

Please visit the section titled “Local Area and Additional Information” at for additional details on the Local Area.


Leading the applied mathematics community . . . Join SIAM and save!

SIAM members save up to $150 on full registration for the ACM-SIAM Symposium on Discrete Algorithms! Join your peers in supporting the premier professional society for applied mathematicians and computational scientists. SIAM members receive subscriptions to SIAM Review, SIAM Unwrapped and SIAM News and enjoy substantial discounts on SIAM books, journal subscriptions, and conference registrations.

If you are not a SIAM member and do not join SIAM before you register for the conference, you can pay the non-member rate and still apply the difference between what you paid for the conference and what a member would have paid ($150 for a non-member) towards a SIAM membership. After you register, contact SIAM Customer Service for details about membership.

Poster Session

A poster session will not be held during SODA or its associated meetings.

SIAM Books and Journals

Those interested in purchasing SIAM books can do so at SIAM’s online bookstore. SIAM members get 30 percent off. Non-members get 20 percent off by using the code on the Titles on Display list available at the book display, when available.

Visa Information

Nationals of some countries will need a travel-visa to enter Italy (and Schengen area).

Participants should contact the Italian Embassy or Consulate in their home country as soon as possible to confirm their travel-visa requirements. It is the sole responsibility of the participant to procure the necessary visa to attend the congress.

Participant should initiate the application process at least 1 to 3 months prior to departure. OIC Group is not able assist participants with their visa application and cannot intervene with Embassies or Consulates on behalf of any participant.

For additional details please visit the following websites:

Participants are invited to check with their local embassy regarding any Visa requirements to enter Italy.

Letter of Invitation

Please follow the instructions below to request a Letter of Invitation from either the sponsoring organization, SIAM, and/or the local host and Professional Conference Organizer:

To request a letter of invitation from the sponsoring organization (SIAM), please do the following:

If you are not planning to present or are not yet an accepted author and need a letter of invitation from SIAM before acceptance notifications are sent, please fill out Letter of Invitation Request Form AND email the following information to SIAM Conferences:

  • Brief curriculum vitae (including your date of birth and a list of publications over the past 3 years).
  • Brief statement why attending would help your research and career.
  • Letter of recommendation. Have a senior person (e.g. Ph.D. advisor, head of department, president of a mathematical society) write a brief letter of recommendation on appropriate letterhead. This letter is not needed if you have a minimum of twelve entries in MathSciNet or other suitable professional database. If you are using MathSciNet, please state so and include your “MR Author ID” in your message to [email protected]. If using another professional database, provide the name of the database and associated ID or URL in your message to [email protected].

To request a letter of invitation from the local host and Professional Conference Organizer, it should be requested during the registration process.

Only participants fully registered in the Meeting can obtain a personal invitation letter. 

If requested, relevant expenses for hardcopy of the invitation letter sent by express courier must be paid in advance.

Please note that the visa invitation letter only aims to assist participants who need to obtain a visa or permission to attend the Meeting and it is not a commitment from the organizers to cover any kind of expenses or to provide any financial support. All expenses incurred in relation to the conference remain the sole responsibility of the participant.

If you need additional information write to: [email protected].


Privacy Policy – Disclosure – Articles 13 and 14 of EU Regulation 2016/679

1. Controllers of data processing
OIC S.r.l, headquartered in Florence, Viale Giacomo Matteotti 7, and SIAM, Society for Industrial and Applied Mathematics, 3600 Market Street, 6th Floor, Philadelphia, PA 19104 – USA, hereinafter “Scientific Society”, in the persons of the pro-tempore legal representatives, domiciled at the company headquarters, are joint Controllers, pursuant to art. 26 of the GDPR, for processing of your personal data, and inform you, here below, regarding the method, purpose and scope of communication and dissemination of your personal data and your rights, in conformity to EU Regulation 2016/679 and to the applicable norms regarding protection of personal data.

The Controllers can be contacted at the above addresses or by sending an e-mail to [email protected].

2. Type of data, Purpose and method of data processing
With reference to the navigation experience of this site, portal and/or platform (herein after “site”), OIC and the Society process the following data:

Navigation data
During the course of their normal operations and for the duration of the connection, information systems and software procedures responsible for the operation of this site acquire some data communication of which is implicit in the use of communication protocols on Internet.

This information is not collected for the purpose of associating it to the users; however, due to their very nature, could through processing and association with data held by the Controllers or third parties allow identification of the users. These data are deleted a few hours after processing.

This category is comprised of IP addresses or names in the computer domain used by the users who connect to this site, the addresses in the Uniform Resource Identifier, the requested resources, the time of the request, the method used when submitting a request to the server, the size of the file obtained in answer, the numeric code indicating the status of the answer provided by the server (success, error, etc) and other parameters pertaining to the operating system and to the computer environment of the user.

These data may be used by the Controllers for the sole purpose of obtaining anonymous statistical information regarding the use of the site in order to identify pages preferred by the users and in order to provide increasingly adequate contents and to verify proper operation. The data could be used to ascertain responsibility in case of hypothetical computer-related crimes which damage the site.

To improve the navigation experience, this site uses cookies and/or markers which technically are information packets sent by a web server (in this case by this site) to the user’s browser or are memorized by the latter on their own devices and automatically sent back to the server during each subsequent access to the site. In order to learn about the types and purposes of the cookies used by the site and to show one’s own preference regarding the use of the cookies, please consult the Cookie policy published on the home page of this site.

Personal data voluntarily provided by site users/visitors
The personal data provided by you through this site, necessary to access certain services, will be processed by the Controllers for the sole purpose of providing said services and will be kept for the amount of time required for their execution and will be deleted if it is no longer necessary to fulfil contractual or legal obligations and, therefore, should it be necessary, also for the purpose of managing possible disputes and complaints. In conformity to art. 9 of the GDPR particular categories of data are not required for navigation and for the implementation of services, with the exception of what you may indicate in regards to any potential food preferences or intolerances in the registration form on the site which will be processed with the sole scope of customizing the requested service.The data will not be disseminated but could be communicated, if necessary for the provision of the service or to carry out the activities, to Societies that perform tasks of a technical or organizational nature necessary to provide the requested services, as specified in the specific disclosures for the single services/events.

Following the required registration for the requested service, should you want to request/use other services or other activities, you can use the credentials (user name/mail/password) already used for the first time registration.
If necessary you will be asked to provide additional data required for the provision of more requested services.

During the browsing and interaction with the site, portal and/or platform you may find exhibitors/third parties links. Once you click on these links which will bring you outside the site the site, portal and/or platform, the Joint Controllers won’t be responsible for your following Navigation Data and of any other consequent consent you will give to exhibitors/third parties.

Data confirmation is necessary to provide the services of this site. Should it be necessary to obtain proper consent for provision of the service, in conformity to the law and to the GDPR, this will be requested by a specific and suitable disclosure.

Your data will be processed with the support of computer and electronic methods and is protected by means of adequate security measures which are suitable to guarantee confidentiality and the dignity of those involved in processing.

In particular, the above Controllers of data processing have adopted and adopt organizational measures (assignment of roles and responsibility for implementing the activity and carrying out controls) and procedural and technical measures (firewall, antivirus and other advanced technologies) which are appropriate to protect your data against loss, theft and use, dissemination or unauthorized modification.

OIC and the SIAM process the above mentioned navigation data (anonymous) for the purpose of monitoring the technical operation and the performance of the site, to better understand how to improve the services and make them evolve. These data are necessary to guarantee a successful navigation experience.

These data are used for the sole purpose of obtaining anonymous statistical information regarding the use of the site and to verify its proper operation, as best explained in the Cookie Policy published on the home page of this site.

Should the Controllers need to communicate your personal data to third parties (for example, regarding the services for which you are registered), they will proceed as autonomous Controllers or will be nominated as Processors of processing.

Furthermore, your data could be communicated to subjects, institutions or authorities if such data communication is required by law.

3. Rights
You can access all the information that concerns you at any time and can request updates, changes and integration as well as deletion, transformation into an anonymous form or request that it be blocked.
You can oppose processing in full or partly; should opposition be expressed provision of the service will become impossible.

In order to exercise these and other rights as specified under articles 15-22 of the GDPR you can write to the Controllers at the above addresses or send an email to [email protected].

You have the right to oppose processing of your data as well as presenting a complaint to the Authority for the protection of personal data according to Art. 77 of the EU Regulation 2016/679.

4. Modification and updates
In the course of time this disclosure could undergo changes – also resulting for the entry in force of new norms for this sector, updates and the provision of new services as a result of technological innovations – and therefore we ask you to periodically consult this page.